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Organization - Schedule of Assets and Liabilities of VIEs (Details)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Organization      
Other current assets ¥ 1,933,182,792 $ 264,844,957 ¥ 670,276,511
Total current assets 10,139,522,498 1,389,108,886 10,159,946,220
Total non-current assets 2,324,704,787 318,483,250 2,322,249,678
Total assets 12,464,227,285 1,707,592,136 12,482,195,898
Total current liabilities 1,124,092,207 154,000,000 754,485,815
Total non-current liabilities 48,706,048 6,672,701 39,759,111
Total liabilities 1,172,798,255 160,672,701 794,244,926
Variable Interest Entity      
Organization      
Total current assets 4,586,248,127 628,313,418 7,797,991,401
Total non-current assets 2,623,967,844 359,482,121 365,557,715
Total assets 7,210,215,971 987,795,539 8,163,549,116
Total current liabilities 8,306,050 1,137,925 474,254,177
Total non-current liabilities     39,083
Total liabilities 8,306,050 1,137,925 474,293,260
Variable Interest Entity | Group companies      
Organization      
Other current assets 488,678,227 66,948,643 1,112,061,344
Other current liabilities 5,099 699 344,028,011
Variable Interest Entity | Nonrelated party      
Organization      
Other current assets 4,097,569,900 561,364,775 6,685,930,057
Other current liabilities ¥ 8,300,951 $ 1,137,226 ¥ 130,226,166