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Accrued expenses and other liabilities (Tables) | 12 Months Ended
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Dec. 31, 2024
Accrued Liabilities and Other Liabilities [Abstract] |
Schedule of accrued expenses and other current liabilities | Accrued expenses and other liabilities consisted of the following:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Salaries and benefits payables | 257,207 |  |  | 135,746 |
Taxes payable | 101,487 |  |  | 120,748 |
Product warranties | 41,924 |  |  | 50,426 |
Accrued costs of the Merger | 54,984 |  |  | 54,984 |
Other payables and accrued charges* | 158,938 |  |  | 264,649 |
Accrued expenses and other current liabilities | 614,540 |  |  | 626,553 |
___________________________ *Other payables and accrued charges primarily include accrual for research and development expenses.
Schedule of product warranty liability | The following table provides a reconciliation of changes in the product warranties:
| Year ended December 31,
| 2023 |  | 2024
| RMB |  | RMB
Balance at the beginning of the year | 92,148 |  |  | 132,795 |
Additions | 85,161 |  |  | 69,604 |
Settlements | (44,514) |  |  | (41,898) |
Balance at the end of the year | 132,795 |  |  | 160,501 |
Including: |  |  |
Current portion of warranty included in "Accrued expenses and other current liabilities" | 41,924 |  |  | 50,426 |
Non-current portion of warranty included in "Provisions" | 90,871 |  |  | 110,075 |

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- Definition Tabular disclosure of other current liabilities. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-8 + Details
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