XML 27 R7.htm IDEA: XBRL DOCUMENT v3.25.1
Pay vs Performance Disclosure
12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Pay vs Performance Disclosure [Table]        
Net Income (Loss) $ 7,288,806 ¥ 52,394,857 ¥ (266,199,240) ¥ (46,544,566)