XML 69 R52.htm IDEA: XBRL DOCUMENT v3.24.1.u1
DESCRIPTION OF ORGANIZATION AND PRINCIPAL ACTIVITIES - Group's VIE information (Details)
 12 Months Ended
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2023
USD ($)
Group's VIE information          
Total term deposits held ¥ 97,555,565   ¥ 228,589,770    
Restricted cash 107,666,733   186,340,321   $ 15,164,542
Short-term investments     160,406,301    
Accounts receivable, net 94,956,170   299,742,923   13,374,297
Inventories 392,790,141   417,009,148   55,323,334
Prepayments and other current assets 195,072,129   205,695,717   27,475,335
Total current assets 1,760,614,198   2,012,071,029   247,977,323
Term deposits-non-current     20,000,000    
Property, plant and equipment, net 323,112,366   397,356,795   45,509,425
Intangible assets, net 1,306,401   1,857,320   184,003
Operating lease right-of-use assets 76,821,285   86,597,121   10,820,052
Deferred income tax assets 20,747,021   6,132,499   2,922,157
Other non-current assets 6,730,378   12,683,090   947,954
Total assets 2,189,331,649   2,536,697,854   308,360,914
Short-term bank borrowings 100,000,000   160,000,000   14,084,705
Notes payable 167,282,688   316,832,113   23,561,274
Accounts payable 575,724,288   459,466,937   81,089,070
Income taxes payable 1,357,913   1,898,065   191,258
Advances from customers 19,304,488   24,931,897   2,718,980
Deferred revenue - current 41,755,097   37,539,733   5,881,082
Accrued expenses and other current liabilities 165,511,396   192,092,943   23,311,795
Total current liabilities 1,070,935,870   1,192,761,688   150,838,164
Deferred revenue-non-current 13,168,111   11,429,500   1,854,690
Deferred income tax liabilities 2,362,494   1,398,279   332,750
Operating lease liabilities 280,421   7,569,128   39,496
Other non-current liabilities 8,968,519   13,441,382   1,263,189
Total liabilities 1,095,715,415   1,226,599,977   $ 154,328,289
Revenues 2,651,757,646 $ 373,492,253 3,168,597,334 ¥ 3,704,537,419  
Net income (loss) (271,835,982) (38,287,297) (49,462,929) 225,820,409  
Net cash provided by (used in) operating activities 93,735,092 13,202,312 (121,856,343) 334,174,702  
Net cash (used in) provided by investing activities 216,310,708 30,466,726 397,891,899 (295,058,974)  
Net cash used in financing activities (59,345,977) (8,358,706) (17,796,914) 6,246,384  
Effect of foreign currency exchange rate changes on cash and restricted cash 8,913,200 1,255,398 30,043,572 (8,490,370)  
Net increase in cash and restricted cash 259,613,023 36,565,730 288,282,214 36,871,742  
Cash, cash equivalents and restricted cash at the beginning of the year 720,627,170 101,498,214 432,344,956 395,473,214  
Cash, cash equivalents and restricted cash at the end of the year 980,240,193 $ 138,063,944 720,627,170 432,344,956  
VIE          
Group's VIE information          
Cash 620,484,535   493,570,803    
Total term deposits held 20,000,000        
Restricted cash 145,000   6,229,605    
Short-term investments     160,406,301    
Accounts receivable, net 91,975,054   298,732,239    
Inventories 386,966,973   411,954,893    
Prepayments and other current assets 177,957,171   187,576,865    
Amounts due from inter-companies 44,220,970   24,251,018    
Total current assets 1,341,749,703   1,582,721,724    
Term deposits-non-current     20,000,000    
Property, plant and equipment, net 321,213,398   394,621,585    
Intangible assets, net 1,102,870   1,317,785    
Operating lease right-of-use assets 76,821,285   86,597,121    
Deferred income tax assets 20,747,021   6,132,499    
Other non-current assets 6,720,608   5,677,414    
Total assets 1,768,354,885   2,097,068,128    
Short-term bank borrowings 100,000,000   160,000,000    
Notes payable 167,282,688   316,832,113    
Accounts payable 575,235,413   459,406,790    
Amounts due to inter-companies 467,282,009   476,120,909    
Income taxes payable 1,195,114   1,501,992    
Advances from customers 16,399,926   23,522,149    
Deferred revenue - current 41,755,097   37,539,733    
Accrued expenses and other current liabilities 151,286,008   175,352,229    
Total current liabilities 1,520,436,255   1,650,275,915    
Deferred revenue-non-current 13,168,111   11,429,500    
Deferred income tax liabilities 2,362,494   1,398,279    
Operating lease liabilities 280,421   7,569,128    
Other non-current liabilities 8,968,519   13,441,382    
Total liabilities 1,545,215,800   1,684,114,204    
Revenues 2,645,570,002   3,187,989,945 3,768,134,434  
Net income (loss) (236,441,380)   (9,347,980) 213,848,471  
Net cash provided by (used in) operating activities 93,727,586   (74,417,318) 354,675,219  
Net cash (used in) provided by investing activities 82,502,334   455,930,283 (329,808,349)  
Net cash used in financing activities (60,000,000)   (20,000,000)    
Effect of foreign currency exchange rate changes on cash and restricted cash 4,599,207   7,993,970 (422,991)  
Net increase in cash and restricted cash 120,829,127   369,506,935 24,443,879  
Cash, cash equivalents and restricted cash at the beginning of the year 499,800,408   130,293,473 105,849,594  
Cash, cash equivalents and restricted cash at the end of the year ¥ 620,629,535   ¥ 499,800,408 ¥ 130,293,473