{
  "schema": "canli.company-reference.v1",
  "cik": "0001744781",
  "name": "Niu Technologies",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001744781.json",
  "source_sha256": "4fcddf069cd3e77d10db155cec86b11ac18fc69466745f6b1d98e49db3e9a169",
  "fetched_at": "2026-09-21T17:28:49.815Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2950336404,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 2613158167,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 2189331649,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 2536697854,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 2441213413,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 1846809383,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 1510839608,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 1185251799,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 503631577,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 421892493,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 358001202,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 308360914,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 367786617,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 383079656,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 283035922,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 217018530,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 172387725,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2045405100,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 1681875947,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 1095715415,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 1226599977,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 1176659223,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 853435139,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 719309388,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 614844753,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 591022538,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 292489037,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 230416061,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 154328289,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 177840279,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 184643508,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 130794659,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 103322328,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 89425461,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 904931304,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 931282220,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 1093616234,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 1310097877,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 1264554190,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 993374244,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 791530220,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 570407046,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": -325235476,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2016-12-31",
          "val": -213194529,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2016Q4I",
          "unit": "CNY"
        },
        {
          "end": "2015-12-31",
          "val": -56195156,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2015Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 129403456,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 127585141,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 154032625,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 189946338,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 198436148,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 152241263,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 113696202,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 82962264,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 924738132,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 630021303,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 872573460,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 534286849,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 208373759,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 227004137,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 132235794,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 86312565,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 122899401,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 77464311,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 32698390,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -39385588,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -193200639,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -271835982,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -49462929,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 225820409,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 168652466,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 190084771,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -349027476,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -184662871,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -232720922,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -5632064,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -26468379,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -38287297,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -7171450,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 35436151,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 25847122,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 27303970,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -50763942,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 353270015,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 52286618,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 93735092,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -121856343,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 334174702,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 465598711,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 178680435,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 8569117,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 80063278,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -123053734,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 50516940,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7163238,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 13202312,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -17667508,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 52439303,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 71356124,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 25665838,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1131460,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 177808393,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 119749137,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 78934562,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 135349387,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 285745233,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 32017882,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 23244485,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 10320052,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 25426261,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 16405565,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 11117701,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4656808,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 4307865498,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3288296344,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2651757646,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3168597334,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3704537419,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2444328764,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2076289101,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1477781304,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 769368001,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 354810048,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 616016573,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 450494752,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 373492253,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 459403430,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 581322760,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 374609772,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 298240268,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 214934376,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 40164587,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 100267335,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -59345977,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -17796914,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6246384,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -13163686,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 35282416,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 555382588,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 68703310,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 225011777,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 5743460,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 13736569,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -8358706,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -2580310,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 980194,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -2017423,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5068001,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 80777047,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -90600683,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -292428847,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 216310708,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 397891899,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -295058974,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -535231611,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -467889241,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -103589651,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -55928949,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -59949934,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -12955725,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -40062588,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 30466726,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 57688903,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -46301191,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -82027833,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -67208085,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -15066491,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": -1093713031,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": -1054327443,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": -861126804,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": -589290822,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": -539827893,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": -765648302,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 934300768,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": -1124385539,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": -771155994,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": -156398883,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": -144442267,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -121287174,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -85439138,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -84710776,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 117340736,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -134203908,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -163535094,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 159714698,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 158460242,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 156816105,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 155176922,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 153672358,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 150897412,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 149025166,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 65834876,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 26295181,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 159714698,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 158460242,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 156816105,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 155176922,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 160460976,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 157835868,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 153248188,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 65834876,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 26295181,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.25,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1.22,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1.73,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.32,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1.47,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1.12,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1.28,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -5.3,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -7.02,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY/shares"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.04,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.17,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.24,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.05,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.23,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.17,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.18,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.25,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -1.22,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1.73,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.32,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1.41,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1.07,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1.24,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -5.3,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -7.02,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY/shares"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -0.04,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.17,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.24,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -0.05,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.22,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 0.16,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 0.18,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -22983591,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -23606550,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -10192884,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -21756944,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 47036608,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 21086256,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 8214341,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 0,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -3286610,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -3234084,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1435638,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -3154460,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 7381070,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3231610,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1179916,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 420173035,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 320013632,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 323112366,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 397356795,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 397215911,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 199045061,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 150891344,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 40985174,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 28696602,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 60083945,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 43841688,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 45509425,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 57611320,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 62331844,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 30504990,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 21674185,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 5961046,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 27731397,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 24232978,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 47659304,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 58219186,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 47218156,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 39608915,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 19622779,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 265874927,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 62527098,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 78304903,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 3965537,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3319904,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 6712673,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8440989,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 7409559,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6070332,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2818636,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 38669904,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -88247064,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -250632128,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -317523502,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -89281947,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 252481278,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 170634446,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 186708900,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -314406588,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -141825459,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -226460239,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -12619163,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -34336461,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -44722249,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -12944665,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 39619823,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 26150873,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 26819055,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -46170892,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2359987270,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 2169806471,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 1760614198,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 2012071029,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 1895914392,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 1547898421,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 1311290018,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 1119743397,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 407688903,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 337473690,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 297262269,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 247977323,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 291722878,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 297510340,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 237225812,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 188355026,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 162859922,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1423924,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 5715878,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 6167805,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 7380833,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 11396998,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 7721675,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3153521,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2320169,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 200556,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 828724,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 967863,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1131162,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1637076,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1123071,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 2003132616,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 1651931793,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 1070935870,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 1192761688,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 1129083854,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 823256956,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 693513607,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 597000110,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 578499087,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 286444152,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 226313728,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 150838164,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 172934189,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 177177895,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 126169649,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 99616996,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 86830066,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 704089088,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 869015140,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 575724288,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 459466937,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 538930163,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 395826435,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 258988264,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 249665890,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 124937465,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 100683400,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 119054586,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 81089070,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 66616444,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 84569903,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 60663055,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 37201336,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 36312398,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 776328,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 1043801,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 1306401,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 1857320,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 3668189,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 5607101,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 7779749,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 7717754,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 1277467,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 111013,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 143000,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 184003,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 269286,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 575619,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 859326,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1117491,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1122501,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 37372044,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 131921419,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 94956170,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 299742923,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 268557176,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 101320063,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 115228700,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 54424845,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 10382112,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 5344131,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 18073160,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 13374297,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 43458639,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 42142481,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 15527979,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 16551567,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 7915765,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 933184599,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 750306678,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 891239250,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 775347876,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 609024771,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 410955554,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 329675423,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 514427245,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 197356742,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 133443623,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 102791594,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 125528423,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 112414875,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 95569276,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 62981694,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 47354912,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 652579651,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 649177719,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 392790141,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 417009148,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 269637042,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 142166179,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 178633299,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 142382205,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 88225965,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2025-12-31",
          "val": 93317649,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 88936983,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 55323334,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 60460643,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 42311936,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 21787920,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 25659068,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 20708633,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 843570885,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 498762994,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 570747013,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 669680891,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 812779231,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 559148508,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 486550553,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 198625457,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 54698283,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -12777451,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 120629032,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 68330250,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 80388036,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 97094603,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 127542798,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 85693258,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 69888614,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 28888874,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 3464294613,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2789533350,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2081010633,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2498916443,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 2891758188,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1885180256,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1589738548,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1279155847,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 714669718,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 367587499,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 495387541,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 382164502,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 293104217,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 362308827,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 453779962,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 288916514,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 228351654,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 186045502,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 166452286,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 130111359,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 150985739,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 176478130,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 135218399,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 105335357,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 67187348,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 91811892,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 39492743,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 33089565,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 23802360,
          "accn": "0001104659-26-044568",
          "fy": 2025,
          "fp": "FY",
          "form": "20-F",
          "filed": "2026-04-17",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 17825183,
          "accn": "0001410578-25-000798",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-18",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 21265897,
          "accn": "0001104659-24-050776",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-04-24",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 25586924,
          "accn": "0001104659-23-088518",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F/A",
          "filed": "2023-08-08",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 21218717,
          "accn": "0001104659-22-051148",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-04-27",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 16143350,
          "accn": "0001104659-21-048371",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-04-09",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 9650859,
          "accn": "0001104659-20-050585",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-24",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 13353486,
          "accn": "0001104659-19-023545",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-25",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/4fcddf069cd3e77d10db155cec86b11ac18fc69466745f6b1d98e49db3e9a169.json.gz"
}
