INCOME TAX (Tables)
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12 Months Ended |
Dec. 31, 2025 |
| INCOME TAX |
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| Components of loss before income taxes |
| | | | | | | | | For the Year Ended | | | December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Mainland China | | (270,748,715) | | (202,919,043) | | (34,306,330) | Non-Mainland China | | (11,280,151) | | (13,888,146) | | (28,062,849) | Total | | (282,028,866) | | (216,807,189) | | (62,369,179) |
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| Schedule of income tax expense (benefit) |
| | | | | | | | | For the Year Ended December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Current | | | | | | | Mainland China | | 759,425 | | (464,340) | | 52,582 | Non-Mainland China | | — | | 144,468 | | 1,170,249 | Total Current income tax expense (benefit) | | 759,425 | | (319,872) | | 1,222,831 | Deferred | | | | | | | Mainland China | | (10,952,309) | | (23,286,678) | | (22,952,588) | Non-Mainland China | | — | | — | | (1,253,834) | Total Deferred income tax benefit | | (10,952,309) | | (23,286,678) | | (24,206,422) | | | | | | | | Total | | (10,192,884) | | (23,606,550) | | (22,983,591) |
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| Schedule of reconciliation of statutory income tax rate and effective income tax rate |
| | | | | | | For the Year Ended | | | December 31, | | | 2023 | | 2024 | | | RMB | | RMB | Expected taxation at PRC statutory tax rate | | (71,077,803) | | (54,201,797) | Tax effect of tax‑exempt entities and differing tax rates in different jurisdictions | | 2,820,038 | | 105,035 | Research and development expenses bonus deduction | | (30,807,283) | | (25,718,922) | Non-deductible share-based compensation expenses | | 11,742,974 | | 5,850,869 | Other non-deductible expenses | | 2,491,593 | | 888,261 | Preferential tax rate difference | | 7,301,540 | | 15,880,110 | Others | | 229,108 | | 1,116,269 | Change in valuation allowance | | 67,106,949 | | 32,473,625 | | | | | | Actual income tax benefit | | (10,192,884) | | (23,606,550) | Effect of preferential tax rates on basic net loss per ordinary share | | (0.05) | | (0.10) | Effect of preferential tax rates on diluted net loss per ordinary share | | (0.05) | | (0.10) |
| | | | | | | | For the Year Ended | | | | December 31, | | | | 2025 | | | | Amount | | Percent | | Expected taxation at PRC statutory tax rate | | (15,592,295) | | 25.0 | % | Nontaxable or nondeductible items | | | | | | Share-based compensation expenses | | 6,691,566 | | (10.7) | % | Other non-deductible expenses | | 4,745,881 | | (7.6) | % | Other Adjustments | | | | | | Tax incentives relating to R&D expenditures | | (28,027,491) | | 44.9 | % | Preferential tax rate difference | | (338,266) | | 0.5 | % | Other | | 2,026,356 | | (3.2) | % | Change in valuation allowance | | 6,688,725 | | (10.7) | % | Foreign tax effects | | 821,933 | | (1.3) | % | Actual income tax benefit | | (22,983,591) | | 36.9 | % | Effect of preferential tax rates on basic net loss per ordinary share | | 0.00 | | | | Effect of preferential tax rates on diluted net loss per ordinary share | | 0.00 | | | |
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| Schedule of deferred income tax assets and deferred income tax liabilities |
| | | | | | | As of December 31, | | | 2024 | | 2025 | | | RMB | | RMB | Deferred income tax assets | | | | | Net operating loss carry forwards | | 115,610,787 | | 130,002,615 | Accrued warranty | | 4,394,077 | | 5,801,139 | Advertising expense | | 2,113,991 | | 2,113,991 | Deferred revenue | | 10,709,100 | | 16,727,916 | Allowance for doubtful accounts | | 43,361,947 | | 40,986,292 | Lease Liabilities | | 226,552 | | 1,502,360 | Write-downs of inventories | | 6,426,901 | | 19,587,760 | Less: Valuation allowance | | (140,255,931) | | (146,944,656) | | | | | | Total deferred income tax assets, net | | 42,587,424 | | 69,777,417 | | | | | | Deferred income tax liabilities | | | | | Operating lease right-of-use assets | | 226,551 | | 1,502,360 | Property, plant and equipment | | 13,878,083 | | 12,875,517 | | | | | | Total deferred income tax liabilities | | 14,104,634 | | 14,377,877 | | | | | | Net deferred income tax assets | | 31,752,254 | | 57,457,432 | Net deferred income tax liabilities | | 3,269,464 | | 2,057,892 |
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| Schedule of changes in valuation allowance |
| | | | | | | | | For the Year Ended | | | December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Balance at the beginning of the year | | 40,764,285 | | 107,782,306 | | 140,255,931 | Additions | | 68,593,841 | | 32,473,625 | | 31,752,295 | Reduction | | (1,575,820) | | — | | (25,063,570) | | | | | | | | Balance at the end of the year | | 107,782,306 | | 140,255,931 | | 146,944,656 |
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