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Trade Payables - Additional Information (Details) - CNY (¥)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Trade Payables [Line Items]    
Trade Payables Balances With Related Companies Amount ¥ 9,155,000
Bottom Of Range [Member]    
Trade Payables [Line Items]    
Trade payables settlement period 1 day  
Top of Range    
Trade Payables [Line Items]    
Trade payables settlement period 30 days