INCOME TAX - Deferred income tax assets and deferred income tax liabilities (Details) - CNY (¥) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|---|
| Deferred income tax assets | ||||
| Net operating loss carry forwards | ¥ 130,002,615 | ¥ 115,610,787 | ||
| Accrued warranty | 5,801,139 | 4,394,077 | ||
| Advertising expense | 2,113,991 | 2,113,991 | ||
| Deferred revenue | 16,727,916 | 10,709,100 | ||
| Allowance for doubtful accounts | 40,986,292 | 43,361,947 | ||
| Lease Liabilities | 1,502,360 | 226,552 | ||
| Write-downs of inventories | 19,587,760 | 6,426,901 | ||
| Less: Valuation allowance | (146,944,656) | (140,255,931) | ¥ (107,782,306) | ¥ (40,764,285) |
| Total deferred income tax assets, net | 69,777,417 | 42,587,424 | ||
| Deferred income tax liabilities | ||||
| Operating lease right-of-use assets | 1,502,360 | 226,551 | ||
| Property, plant and equipment | 12,875,517 | 13,878,083 | ||
| Total deferred income tax liabilities | 14,377,877 | 14,104,634 | ||
| Net deferred income tax assets | 57,457,432 | 31,752,254 | ||
| Net deferred income tax liabilities | ¥ 2,057,892 | ¥ 3,269,464 |
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- Definition Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from advertising expenses. No definition available.
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, of lease liabilities. No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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