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Leases (Tables) | 12 Months Ended
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Dec. 31, 2024
Leases [Abstract] |
Schedule of components of lease cost | The components of lease cost were as follows:
|  | For the year ended December 31, |
|  | 2022 |  |  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Operating lease cost |  |  | 37,447 |  |  |  | 35,197 |  |  |  | 26,494 |  |  |  | 3,630 |
Short-term lease cost |  |  | 2,267 |  |  |  | 1,971 |  |  |  | 5,347 |  |  |  | 733 |
Total lease cost |  |  | 39,714 |  |  |  | 37,168 |  |  |  | 31,841 |  |  |  | 4,363 |
Schedule of detailed Information about Leases |
|  | For the year ended December 31, |
|  | 2022 |  |  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Other information |  |  |  |  |  |  |  |  |  |  |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating cash flows used for operating leases |  |  | 37,811 |  |  |  | 37,700 |  |  |  | 27,385 |  |  |  | 3,752 |
ROU assets obtained in exchange for operating lease liabilities |  |  | 4,311 |  |  |  | — |  |  |  | 65,841 |  |  |  | 9,020 |
Schedule of total rental related expenses | Future lease payments under operating leases as of December 31, 2024 were as follows:
|  | Operating leases |
| RMB |  |  | US$ |
Years ending December 31, |  |  |  |  |  |  |  |
2025 |  |  | 26,100 |  |  |  | 3,576 |
2026 |  |  | 16,097 |  |  |  | 2,205 |
2027 |  |  | 12,539 |  |  |  | 1,718 |
2028 |  |  | — |  |  |  | — |
2029 |  |  | — |  |  |  | — |
Total future lease payments |  |  | 54,736 |  |  |  | 7,499 |
Less: imputed interest |  |  | (2,415 | ) |  |  | (331 | )
Total lease liability balance |  |  | 52,321 |  |  |  | 7,168 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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