​

​

As of December 31, 

​

​

2024

​

2025

​

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

Deductible input VAT

​

1,444,655

​

1,814,249

​

258,945

Prepaid rental and deposits

224,007

332,643

47,478

Prepayments for materials and advertising fees

127,157

124,360

17,750

Prepaid operating expenses

​

85,212

​

117,418

​

16,759

Interest receivables

19,589

84,481

12,058

Others

37,434

47,506

6,780

​

​

​

​

​

​

​

​

1,938,054

2,520,657

359,770