v3.25.1
Pay vs Performance Disclosure
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Pay vs Performance Disclosure        
Net Income (Loss) ¥ 110,002,230 $ 15,070,246 ¥ 269,316,308 ¥ (425,153,181)