v3.22.2.2
Commitments and contingencies (Tables)
6 Months Ended
Jun. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Payments Under Non-cancelable Operating Leases
As of June 30, 2022, future minimum payments under
non-cancellable
operating leases were as follows:
 
     RMB      US$  
For the six months ended December 31, 2022
     3,586        535  
For the years ended December 31, 2023
     6,577        982  
2024
     5,381        803  
    
 
 
    
 
 
 
Total
     15,544        2,320