v3.26.1
Income Taxes - Schedule of Rate Reconciliation Pursuant to the Disclosure Requirements (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Schedule of Rate Reconciliation Pursuant to the Disclosure Requirements [Abstract]        
PRC statutory income tax rates (in Yuan Renminbi) ¥ 31,486,900      
PRC statutory income tax rates 25.00% 25.00% 25.00% 25.00%
Effect of expenses not deductible for tax purposes (in Yuan Renminbi) ¥ 419,006      
Effect of expenses not deductible for tax purposes 0.33% 0.33% (0.28%) (0.42%)
Effect of additional deduction of research and development expense (in Yuan Renminbi) ¥ (4,147,482)      
Effect of additional deduction of research and development expense (3.29%) (3.29%) 5.90% 5.98%
Effect of income tax exemptions and reliefs (in Yuan Renminbi) ¥ 249,076      
Effect of income tax exemptions and reliefs 0.20% 0.20% (0.39%) (5.71%)
Recovery from deferred income tax assets (in Yuan Renminbi) ¥ (3,055,163)      
Recovery from deferred income tax assets (2.43%) (2.43%) 0.22% 0.05%
Effect of valuation allowance on deferred income tax assets (in Yuan Renminbi) ¥ 29,337,978      
Effect of valuation allowance on deferred income tax assets 23.30% 23.30% (26.29%) (23.52%)
Income tax difference under different tax jurisdictions* (in Yuan Renminbi) [1] ¥ (54,290,315)      
Income tax difference under different tax jurisdictions* (43.11%) [1] (43.11%) [1] (4.16%) (1.37%)
Total (in Yuan Renminbi) ¥ (17,394)
Total 0.00% 0.00% 0.00% 0.01%
[1] Substantially all the income tax difference under different tax jurisdictions was generated from BVI entities.