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Short-term borrowings (Tables)
12 Months Ended
Dec. 31, 2022
Short-term borrowings  
Short-term borrowings

As of December 31, 

    

2021

    

2022

    

2022

US$

Maturity Date

RMB

RMB

 

Note 2(e)

Short-term bank loan

within 12 months

936,207

5,041

731