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Accounts Receivable, Net (Details)
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Credit Loss, Additional Improvements [Abstract]        
Bad debt expenses ¥ 700,505 $ 100,580 ¥ 442,706 ¥ 71,718
Written off ¥ 198,082 $ 28,441