XML 79 R54.htm IDEA: XBRL DOCUMENT v3.26.1
ACCOUNTS RECEIVABLE, NET (Tables)
12 Months Ended
Dec. 31, 2025
ACCOUNTS RECEIVABLE, NET  
Schedule of accounts receivable, net

December 31,

  ​ ​ ​

December 31,

December 31,

2024

2025

2025

RMB

RMB

US$

  ​ ​ ​

(in thousands)

  ​ ​ ​

(Note 3)

Accounts receivable-third parties

 

505

 

4,287

 

612

Allowance for credit losses for accounts receivable

 

(505)

 

(505)

 

(72)

Accounts receivable-third parties, net

 

 

3,782

 

540

Accounts receivable- related party

 

 

6,284

 

899