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Loans Payable - Third Parties (Tables)
12 Months Ended
Dec. 31, 2022
Short-Term Borrowings [Abstract]  
Schedule of loans payable
   As of 
   December 31,
   December 31,
 
   2021   2022 
   RMB   RMB   US$ 
Jia Li   4,800,000    
      -
    
   -
 
Total   4,800,000    
-
    
-