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Property and equipment, net
12 Months Ended
Dec. 31, 2022
Property and equipment, net  
Property and equipment, net

9.

Property and equipment, net

Property and equipment, net, consisted of the following:

As of December 31,

2021

2022

RMB

RMB

Machinery and electronic equipment

    

158,849

    

170,536

Transportation vehicles

 

7,600

 

1,002

Office and other equipment

 

7,219

 

13,675

Leasehold improvements

 

39,166

 

31,496

Construction in progress

 

5,994

 

Property and equipment

 

218,828

 

216,709

Less: accumulated depreciation

 

(115,672)

 

(98,260)

Property and equipment, net

 

103,156

 

118,449

Depreciation on property and equipment was allocated as follows:

Year ended December 31,

    

2020

    

2021

    

2022

RMB

RMB

RMB

Cost of revenues

1,684

1,401

1,022

Selling and marketing expenses

 

355

290

 

727

General and administrative expenses

 

23,148

26,530

 

27,433

Research and development expenses

 

13,293

14,916

 

15,905

Total depreciation

 

38,480

43,137

 

45,087