v3.26.3
Accounts Receivable (Tables)
6 Months Ended
Jun. 30, 2026
Accounts Receivable [Abstract]  
Schedule of Accounts Receivable and the Allowance for Credit Losses

Accounts receivable and the allowance for credit losses consisted of the following:

 

    As of  
    December 31,
2025
    June 30, 2026  
    RMB     RMB     US$  
Accounts receivable     31,621       51,147       7,538  
Allowance for credit losses     (4,420 )     (4,170 )     (614 )
      27,201       46,977       6,924  

An analysis of the allowance for credit losses was as follows:

 

    As of  
    December 31,
2025
    June 30, 2026  
    RMB     RMB     US$  
Balance at beginning of the year           4,420       651  
Additional provision charged to expense     4,420       (250 )     (37 )
Balance at the end of the year     4,420       4,170       614