v3.26.1
Income Tax Expense (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
¥ / shares
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2024
CNY (¥)
¥ / shares
Dec. 31, 2024
CNY (¥)
$ / shares
Dec. 31, 2023
$ / shares
Income Tax Expense [Line Items]          
Statutory income tax rate 25.00% 25.00% 25.00%   25.00%
Corporate income tax 20.00% 20.00%      
Percentage of actual taxable amount 25.00% 25.00%      
PRC statutory income tax rate     25.00%    
Income tax expense tax holiday ¥ 1,900,000   ¥ 3,400,000    
Basic earnings per ordinary share | $ / shares   $ (0.34)   $ 0.03 $ 0.12
Diluted earnings per ordinary share | $ / shares   $ (0.34)   $ 0.03 $ 0.11
Net operating loss carryforwards 72,540,552        
Deferred tax assets net operating loss carryforwards 18,135,138   ¥ 12,183,421 $ 12,183,421  
Cumulative amount of temporary difference in respect of investments PRC subsidiaries ¥ 2,706,513,294        
Percentage of withholding income tax 10.00%        
Amount of unrecognized deferred tax liabilities ¥ 270,651,329        
Income taxes paid | $        
PRC [Member]          
Income Tax Expense [Line Items]          
Statutory income tax rate 25.00% 25.00%      
PRC statutory income tax rate 5.00% 5.00%      
Basic earnings per ordinary share | ¥ / shares ¥ 0.001   ¥ 0.002    
Diluted earnings per ordinary share | ¥ / shares ¥ 0.001   ¥ 0.003    
CHINA          
Income Tax Expense [Line Items]          
Income taxes paid | $   $ 4,641,211