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Taxation (Details) - Schedule of income / (loss) before provision for income taxes
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Schedule Of Income Loss Before Provision For Income Taxes Abstract        
PRC ¥ 8,630,868 $ 1,239,248 ¥ 12,016,517 ¥ 4,728,447
Foreign (4,670,754) (670,642) (89,670) (46,390)
Total Income before Income Taxes ¥ 3,960,114 $ 568,606 ¥ 11,926,847 ¥ 4,682,057