INCOME TAX - Components of loss before income taxes and withholding tax on undistributed dividends (Details) |
12 Months Ended | |||
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2023
CNY (¥)
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| INCOME TAX | ||||
| Mainland China | ¥ (34,306,330) | ¥ (202,919,043) | ¥ (270,748,715) | |
| Non-Mainland China | (28,062,849) | (13,888,146) | (11,280,151) | |
| Loss before income taxes | ¥ (62,369,179) | $ (8,918,674) | ¥ (216,807,189) | ¥ (282,028,866) |
| Withholding income tax rate | 5.00% | 5.00% | ||
| Percentage of ownership interests held by foreign investors (as a percent) | 25.00% | 25.00% | ||
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- Definition Withholding income tax rate if foreign investor owns directly at least 25% of shares of the FIE. No definition available.
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- Definition The minimum direct ownership percentage in the foreign invested enterprises owned by the foreign investor, determining whether the lower withholding income tax rate can be applied for dividends distributed by the foreign invested enterprise to its immediate holding company in Hong Kong. No definition available.
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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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