| Accruals and other current liabilities |
16.Accruals and other current liabilities Accruals and other current liabilities consist of the following: | | | | | | | As of December 31, | | | 2023 | | 2024 | | | RMB | | RMB | Accrued payroll and welfare expenses | | 1,779,798 | | 2,012,505 | Payables for research and development expenses | | 845,661 | | 1,924,192 | Accrued marketing expenses | | 908,650 | | 876,907 | Operating lease liabilities, current | | 665,481 | | 670,678 | Other tax payable | | 324,560 | | 480,681 | Payables for purchase of property, plant and equipment | | 479,327 | | 382,653 | Payable for rental and related expenses | | 89,393 | | 289,723 | Deposits from vendors | | 118,571 | | 267,074 | Warranty provisions | | 112,894 | | 200,986 | Current portion of deferred revenue | | 132,672 | | 193,941 | Advances from customers | | 162,031 | | 136,792 | Accrued Freights payable | | 25,558 | | 86,051 | Others | | 599,360 | | 956,589 | Total | | 6,243,956 | | 8,478,772 |
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