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CONSOLIDATED BALANCE SHEETS
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Current assets      
Cash and cash equivalents ¥ 872,573,460 $ 122,899,401 ¥ 534,286,849
Term deposits-current 97,555,565 13,740,414 208,589,770
Restricted cash 107,666,733 15,164,542 186,340,321
Short-term investments     160,406,301
Accounts receivable, net 94,956,170 13,374,297 299,742,923
Inventories 392,790,141 55,323,334 417,009,148
Prepayments and other current assets 195,072,129 27,475,335 205,695,717
Total current assets 1,760,614,198 247,977,323 2,012,071,029
Non-current assets      
Term deposits-non-current     20,000,000
Property, plant and equipment, net 323,112,366 45,509,425 397,356,795
Intangible assets, net 1,306,401 184,003 1,857,320
Operating lease right-of-use assets 76,821,285 10,820,052 86,597,121
Deferred income tax assets 20,747,021 2,922,157 6,132,499
Other non-current assets 6,730,378 947,954 12,683,090
Total non-current assets 428,717,451 60,383,591 524,626,825
Total assets 2,189,331,649 308,360,914 2,536,697,854
Current liabilities      
Short-term bank borrowings 100,000,000 14,084,705 160,000,000
Notes payable (including notes payable of VIE without recourse to the Company were RMB316,832,113 and RMB167,282,688 as of December 31, 2022 and 2023, respectively) 167,282,688 23,561,274 316,832,113
Accounts payable (including accounts payable of VIE without recourse to the Company of RMB459,406,790 and RMB575,235,413 as of December 31, 2022 and 2023, respectively) 575,724,288 81,089,070 459,466,937
Income taxes payable (including income taxes payable of VIE without recourse to the Company of RMB1,501,992 and RMB1,195,114 as of December 31, 2022 and 2023, respectively) 1,357,913 191,258 1,898,065
Advances from customers (including advances from customers of VIE without recourse to the Company of RMB23,522,149 and RMB16,399,926 as of December 31, 2022 and 2023, respectively) 19,304,488 2,718,980 24,931,897
Deferred revenue-current (including deferred revenue-current of VIE without recourse to the Company of RMB37,539,733 and RMB41,755,097 as of December 31, 2022 and 2023, respectively) 41,755,097 5,881,082 37,539,733
Accrued expenses and other current liabilities (including accrued expenses and other current liabilities of VIE without recourse to the Company of RMB175,352,229 and RMB151,286,008 as of December 31, 2022 and 2023, respectively) 165,511,396 23,311,795 192,092,943
Total current liabilities 1,070,935,870 150,838,164 1,192,761,688
Non-current liabilities      
Deferred revenue-non-current (including deferred revenue non-current of VIE without recourse to the Company of RMB11,429,500 and RMB13,168,111 as of December 31, 2022 and 2023, respectively) 13,168,111 1,854,690 11,429,500
Deferred income tax liabilities (including deferred income tax liabilities of VIE without recourse to the Company of RMB1,398,279 and RMB2,362,494 as of December 31, 2022 and 2023, respectively) 2,362,494 332,750 1,398,279
Operating lease liabilities-non-current (including operating lease liabilities of VIE without recourse to the Company were RMB7,569,128 and RMB280,421 as of December 31, 2022 and 2023, respectively) 280,421 39,496 7,569,128
Other non-current liabilities (including other non-current liabilities of VIE without recourse to the Company of RMB13,441,382 and RMB8,968,519 as of December 31, 2022 and 2023, respectively) 8,968,519 1,263,189 13,441,382
Total non-current liabilities 24,779,545 3,490,125 33,838,289
Total liabilities 1,095,715,415 154,328,289 1,226,599,977
Commitments and contingencies
SHAREHOLDERS' EQUITY:      
Additional paid-in capital 1,964,138,365 276,643,103 1,915,825,641
Accumulated other comprehensive loss (9,495,674) (1,337,438) (16,536,686)
Accumulated deficit (861,126,804) (121,287,174) (589,290,822)
Total shareholders' equity 1,093,616,234 154,032,625 1,310,097,877
Total liabilities and shareholders' equity 2,189,331,649 308,360,914 2,536,697,854
Class A Ordinary Shares      
SHAREHOLDERS' EQUITY:      
Ordinary Shares 90,031 12,681 89,428
Class B Ordinary Shares      
SHAREHOLDERS' EQUITY:      
Ordinary Shares ¥ 10,316 $ 1,453 ¥ 10,316