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Prepayments and other current assets | 12 Months Ended
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Dec. 31, 2024
Prepaid Expense and Other Assets, Current [Abstract] |
Prepayments and other current assets | Prepayments and other current assets Prepayments and other current assets consisted of the following:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Prepayments to suppliers | 302,421 |  |  | 167,747 |
Receivables from partial sale of equity interest in SiEngine (refer to Note 9) | — |  |  | 130,000 |
Contract cost assets | 104,309 |  |  | 69,932 |
Others | 36,770 |  |  | 84,606 |
Prepayments and other current assets | 443,500 |  |  | 452,285 |
No provision was made for prepayments and other current assets as of December 31, 2023 and 2024, respectively

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