v3.26.3
Share-based compensation (Tables)
6 Months Ended
Jun. 30, 2026
Share-based compensation.  
Schedule of total compensation costs recognized

  ​ ​ ​

Six months ended June 30, 

2025

2026

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

(Unaudited)

(Unaudited)

(Unaudited)

Research and development

 

116

 

14

 

2

Sales and marketing

 

7

 

 

General and administrative

 

571

 

764

 

113

Total

 

694

 

778

 

115