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ORDINARY SHARES CONTINGENTLY REDEEMABLE (Tables)
12 Months Ended
Dec. 31, 2025
ORDINARY SHARES CONTINGENTLY REDEEMABLE  
Schedule of ordinary shares contingently redeemable

December 31, 

December 31, 

December 31, 

2024

2025

2025

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

(Note 3)

(in thousands)

Ordinary shares contingently redeemable ending balance

 

102,638

72,699

10,396