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v3.23.1

Property and Equipment, Net | 12 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment, Net [Abstract] |
Property and Equipment, Net |
8. | Property and Equipment, Net
|  | As of December 31, |
|  | 2021 |  |  | 2022 |
|  | RMB |  |  | RMB |  |  | US$ |
Leasehold improvements |  |  | 30,250 |  |  |  | 32,634 |  |  |  | 4,731 |
Machinery and electronic equipment |  |  | 22,547 |  |  |  | 29,061 |  |  |  | 4,214 |
Transportation equipment |  |  | 3,643 |  |  |  | 3,249 |  |  |  | 471 |
Office equipment |  |  | 2,511 |  |  |  | 2,641 |  |  |  | 383 |
Construction in progress |  |  | 1,720 |  |  |  | 1,885 |  |  |  | 273 |
Mold and tooling |  |  | — |  |  |  | 2,290 |  |  |  | 332 |
|  |  | 60,671 |  |  |  | 71,760 |  |  |  | 10,404 |
Less: accumulated depreciation |  |  | (25,223 | ) |  |  | (23,240 | ) |  |  | (3,369 | )
Less: accumulated impairment |  |  | (1,627 | ) |  |  | (1,460 | ) |  |  | (212 | )
|  |  | 33,821 |  |  |  | 47,060 |  |  |  | 6,823 |
For the years ended December 31, 2020, 2021 and 2022, the Group recorded depreciation expense of RMB5,785, RMB7,427 and RMB8,478 (US$1,229 ) , respectively.

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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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