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Concentration of Risk (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
Dec. 31, 2022
HKD ($)
Concentration of Risk (Details) [Line Items]          
Credit risk financial instruments ¥ 172,514,000 $ 25,012 ¥ 238,792,000    
Deposit insurance (in Yuan Renminbi) | ¥ ¥ 500,000        
Bank deposits (in Dollars) | $         $ 500,000
Total revenue percentage 10% 10% 10% 10%  
Number of vendors       1  
Revenue [Member]          
Concentration of Risk (Details) [Line Items]          
Total revenue percentage 11.2% 11.2%      
Number of customers 1 1      
Purchases [Member]          
Concentration of Risk (Details) [Line Items]          
Number of vendors     1 3  
Concentration risk, Percentage 10.00% 10.00%      
Vendors [Member]          
Concentration of Risk (Details) [Line Items]          
Number of vendors     1    
Vendors [Member] | Purchases [Member]          
Concentration of Risk (Details) [Line Items]          
Concentration risk, Percentage     19.60% 30.80%  
Vendors [Member] | Accounts Payable [Member]          
Concentration of Risk (Details) [Line Items]          
Concentration risk, Percentage 10.00% 10.00%      
Vendors One [Member] | Accounts Payable [Member] | Maximum [Member]          
Concentration of Risk (Details) [Line Items]          
Concentration risk, Percentage     10.90% 13.10%  
Vendors Two [Member] | Accounts Payable [Member] | Minimum [Member]          
Concentration of Risk (Details) [Line Items]          
Concentration risk, Percentage       10.40%  
Vendors Three [Member] | Accounts Payable [Member]          
Concentration of Risk (Details) [Line Items]          
Concentration risk, Percentage       10.00%