​

​

As of December 31, 

​

​

2023

​

2024

​

RMB

RMB

Accrued payroll and welfare

58,451

​

42,557

Freight payable

10,580

​

16,879

Deposit from suppliers

15,595

​

11,619

Installation fee payables

271

​

—

Product warranty

5,007

​

40,568

Marketing and promotion expenses

3,065

​

4,187

Payment for purchase of property

43,322

​

40,183

Other tax payable

696

​

6,826

Professional fee payables

1,754

​

7,547

Refund liabilities

27

​

224

Other current liabilities

32,046

​

12,029

Total

170,814

​

182,619

Less: non-current portion

—

​

(14,492)

Accrued expenses and other liabilities-current portion

170,814

​

168,127

​

​

Product Warranty

​

RMB

Balance at December 31, 2022

6,559

Provided during the year

84,732

Utilized during the year

(56,078)

Disposed during the year

​

(30,206)

Balance at December 31, 2023

5,007

Provided during the year

88,889

Utilized during the year

(46,914)

Disposed during the year

​

(6,414)

Balance at December 31, 2024

40,568