v3.26.1
ACCOUNTS RECEIVABLE, NET (Tables)
12 Months Ended
Dec. 31, 2025
ACCOUNTS RECEIVABLE, NET  
Schedule of components of accounts receivable

As of December 31, 

2024

2025

2025

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

(in thousands)

Accounts receivable

 

57,599

47,625

6,810

Allowance for credit losses

 

(5,569)

(555)

(79)

Accounts receivable, net

 

52,030

47,070

6,731

Schedule of movements in the allowance for credit losses

For the year ended December 31, 

2023

2024

2025

2025

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

(in thousands)

Balance at beginning of the year

 

5,407

5,926

5,569

796

Provisions/(reversals)

 

519

(357)

(199)

(28)

Write-off of uncollectible receivables

(4,815)

(689)

Balance at end of the year

 

5,926

5,569

555

 

79