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v3.23.1

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
​

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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