| Schedule of Group's VIE information |
| | | | | | | As of December 31, | | | 2024 | | 2025 | | | RMB | | RMB | Cash and cash equivalents | | 543,298,396 | | 758,887,889 | Term deposits | | 134,178,095 | | 114,178,095 | Restricted cash | | 376,157 | | — | Short-term investments | | — | | 20,126,575 | Accounts receivable, net | | 117,003,716 | | 19,181,215 | Inventories | | 582,024,734 | | 524,264,388 | Prepayments and other current assets | | 234,385,266 | | 304,440,726 | Amounts due from inter-companies | | 213,867,617 | | 317,093,486 | | | | | | Total current assets | | 1,825,133,981 | | 2,058,172,374 | | | | | | Property, plant and equipment, net | | 318,530,570 | | 418,500,969 | Intangible assets, net | | 887,955 | | 673,040 | Operating lease right-of-use assets | | 71,223,350 | | 70,360,147 | Deferred income tax assets | | 31,752,254 | | 56,203,598 | Other non-current assets | | 19,309,049 | | 32,696,276 | | | | | | Total assets | | 2,266,837,159 | | 2,636,606,404 | | | | | | Short-term bank borrowings | | 200,000,000 | | 240,000,000 | Notes payable | | 294,348,768 | | 394,285,714 | Accounts payable | | 856,557,922 | | 670,748,944 | Income taxes payable | | 909,115 | | 933,612 | Advances from customers | | 32,623,364 | | 174,904,222 | Deferred revenue—current | | 50,247,103 | | 75,148,049 | Accrued expenses and other current liabilities | | 192,470,955 | | 382,533,451 | Amounts due to inter-companies | | 492,542,370 | | 506,661,309 | | | | | | Total current liabilities | | 2,119,699,597 | | 2,445,215,301 | | | | | | Deferred revenue—non-current | | 16,886,859 | | 23,316,175 | Deferred income tax liabilities | | 3,269,464 | | 2,057,892 | Operating lease liabilities—non-current | | 89,990 | | 976,934 | Other non-current liabilities | | 9,697,841 | | 12,941,916 | | | | | | Total liabilities | | 2,149,643,751 | | 2,484,508,218 |
| | | | | | | | | For the Year Ended December 31, | | | 2023 | | 2024 | | 2025 | | | RMB | | RMB | | RMB | Revenues | | 2,645,570,002 | | 3,395,510,431 | | 4,328,389,653 | Net (loss) income | | (236,441,380) | | (129,349,151) | | 8,138,514 | Net cash provided by operating activities | | 93,727,586 | | 51,395,662 | | 343,484,736 | Net cash provided by (used in) investing activities | | 82,502,334 | | (231,450,112) | | (172,347,587) | Net cash (used in) provided by financing activities | | (60,000,000) | | 100,000,000 | | 40,000,000 | Effect of foreign currency exchange rate changes on cash, cash equivalents and restricted cash | | 4,599,207 | | 3,099,468 | | 4,076,187 | Net increase (decrease) in cash, cash equivalents and restricted cash | | 120,829,127 | | (76,954,982) | | 215,213,336 | Cash, cash equivalents and restricted cash at the beginning of the year | | 499,800,408 | | 620,629,535 | | 543,674,553 | Cash, cash equivalents and restricted cash at the end of the year | | 620,629,535 | | 543,674,553 | | 758,887,889 |
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