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v3.25.1

Property and equipment, net | 12 Months Ended
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Dec. 31, 2024
Property, Plant and Equipment [Abstract] |
Property and equipment, net | Property and equipment, net Property and equipment, net, consisted of the following:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Machinery and electronic equipment | 197,777 |  |  | 290,356 |
Transportation vehicles | 5,654 |  |  | 4,225 |
Office and other equipment | 20,614 |  |  | 21,613 |
Leasehold improvements | 44,747 |  |  | 54,640 |
Construction in progress | 7,938 |  |  | 14,747 |
Property and equipment | 276,730 |  |  | 385,581 |
Less: accumulated depreciation | (148,653) |  |  | (215,021) |
Less: impairment | (7,292) |  |  | (10,261) |
Property and equipment, net | 120,785 |  |  | 160,299 |
Depreciation on property and equipment was allocated as follows:
| Year ended December 31,
|  | 2022 | 2023 |  | 2024
|  | RMB | RMB |  | RMB
Cost of revenues |  | 1,022 |  | 544 |  |  | 4,454 |
Selling, general and administrative expenses |  | 31,931 |  | 29,914 |  |  | 18,599 |
Research and development expenses |  | 17,574 |  | 23,501 |  |  | 33,738 |
Total depreciation expenses |  | 50,527 |  | 53,959 |  |  | 56,791 |
Impairment loss on obsolete and damaged equipment of property and equipment was allocated as follows:
| Year ended December 31,
|  | 2022 | 2023 |  | 2024
|  | RMB | RMB |  | RMB
Selling, general and administrative expenses |  | — |  | 454 |  |  | — |
Research and development expenses |  | — |  | 6,838 |  |  | 1,039 |
Total impairment loss |  | — |  | 7,292 |  |  | 1,039 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-7 + Details
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