v3.26.1
Taxes (Details)
1 Months Ended 12 Months Ended
Nov. 30, 2024
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
HKD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Taxes [Line Items]              
Profit amount   ¥ (386) $ (55)        
Remaining profits   16.50% 16.50% 16.50%      
Income tax rate   0.00% 0.00% 0.00%  
tax-loss carry-forwards   ¥ 653,688,798     ¥ 543,607,595 ¥ 531,724,823 $ 93,476,255
Valuation allowance   94,139,807     84,581,663   13,461,813
Foreign Tax Jurisdiction [Member]              
Taxes [Line Items]              
Profit amount | ¥   ¥ 3          
Percentage of tax   25.00% 25.00% 25.00%      
Remaining profits   20.00% 20.00% 20.00%      
Enterprise Income Tax [Member]              
Taxes [Line Items]              
Income tax rate   15.00% 15.00% 15.00%      
Hong kong [Member] | Foreign Tax Jurisdiction [Member]              
Taxes [Line Items]              
Profit amount | $       $ 2      
Percentage of tax   8.25% 8.25% 8.25%      
China [Member]              
Taxes [Line Items]              
Income tax rate 15.00% 25.00% 25.00% 25.00%      
China [Member] | Foreign Tax Jurisdiction [Member]              
Taxes [Line Items]              
Valuation allowance   ¥ 94,139,807     ¥ 84,581,663   $ 13,461,813
High and New Technology Enterprise [Member]              
Taxes [Line Items]              
Income tax rate   15.00% 15.00% 15.00%