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ADVANCES TO SUPPLIERS (Tables)
12 Months Ended
Dec. 31, 2022
ADVANCES TO SUPPLIERS  
Summary of advances to suppliers

Advances to suppliers are as follows:

    

December 31, 

    

December 31, 

    

December 31, 

    

2021

    

2022

    

2022

RMB

RMB

US$

(Note 3)

Other

 

2,781,139

30,345

4,400

 

2,781,139

30,345

4,400