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Taxation (Details) - Schedule of income tax provision
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Schedule Of Income Tax Provision Abstract        
Current income tax expenses ¥ 2,465,462 $ 353,999 ¥ 839,107 ¥ 2,637,319
Deferred income tax (benefits)/expenses 116,755 16,764 864,072 (1,002,390)
Total income tax expenses ¥ 2,582,217 $ 370,763 ¥ 1,703,179 ¥ 1,634,929