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Long Term Deposits and Other Assets (Tables)
12 Months Ended
Dec. 31, 2025
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, 
   2024   2025   2025 
   RMB   RMB   US$ 
Rent deposits   269    1,467    210 
Advertising deposits   637    274    39 
Long term deposits and other assets   906    1,741    249