​

  ​ ​ ​

​

  ​ ​ ​

As of December 31, 

​

​

​

​

2024

​

2025

​

  ​ ​ ​

​

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

Accrued payroll and welfare payables

​

​

36,860

46,473

6,646

Payable for business acquisition

​

(i)

16,338

14,188

2,029

Other taxes and surcharges

​

​

11,096

9,527

1,362

Service fees

​

​

4,514

5,795

829

Income tax payable

​

​

​

59

​

829

​

119

Government grants subject to deferral or return

​

​

2,628

628

90

Others

​

​

2,875

3,499

499

Total accrued liabilities and other current liabilities

​

​

74,370

80,939

11,574