v3.26.1
Income Taxes (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Income Taxes [Line Items]            
Profit tax at a rate 25.00% 25.00% 25.00% 25.00% 25.00%  
Preferential income tax rate 15.00% 15.00%        
Withholding tax 10.00% 10.00%        
Income tax expense ¥ 45,880,022 $ 6,560,756 ¥ 88,726,969   ¥ 118,452,255  
Income tax expense amounted 503,261          
Income tax expense amounted (in Dollars) | $   71,965        
Tax losses carryforwards 490,860,337         $ 70,206,839
Uncertain tax amount 320,050,892   316,421,543     45,766,669
Uncertain tax positions 316,134,032         45,206,565
Interest expense 7,644,628 1,093,167 6,310,152   ¥ 14,053,841  
Interest expense and penalty 142,188,369 20,332,666      
PRC [Member]            
Income Taxes [Line Items]            
Uncertain tax positions     310,887,764      
PRC [Member] | Foreign Tax Jurisdiction [Member]            
Income Taxes [Line Items]            
Deferred tax assets, carryforwards 315,742,375   310,887,764     45,150,599
Chinese Mainland [Member]            
Income Taxes [Line Items]            
Income tax expense 45,376,761 6,488,791        
Interest expense   $ 1,859,536 ¥ 17,947,223      
China [Member]            
Income Taxes [Line Items]            
Interest expense ¥ 13,003,918          
Inland Revenue, Hong Kong [Member]            
Income Taxes [Line Items]            
Profit tax at a rate 16.50% 16.50%        
Inland Revenue, Hong Kong [Member] | PRC [Member]            
Income Taxes [Line Items]            
Profit tax at a rate 25.00% 25.00%        
State Administration of Taxation, China [Member]            
Income Taxes [Line Items]            
Tax liability unrecognized ¥ 7,299,300         1,043,786
Deferred tax liabilities related to undistributed earnings ¥ 25,508,844         $ 3,647,716