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Intangible Asset, Net (Details)
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2024
USD ($)
Intangible Asset, Net [Abstract]        
Amortization expense ¥ 985,844 ¥ 985,844 ¥ 575,076  
Net book value ¥ 46,745,444 ¥ 47,731,288   $ 6,502,900