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Long Term Deposits and Other Assets (Tables)
12 Months Ended
Dec. 31, 2024
Long Term Deposits and Other Assets [Abstract]  
Schedule of Long Term Deposits and Other Assets

Long term deposits and other assets consist of the following:

 

   As of December 31, 
   2023   2024   2024 
   RMB   RMB   US$ 
Rent deposits   457    269    37 
Advertising deposits   269    637    87 
Long term deposits and other assets   726    906    124