| Prepayments and Other Current Assets |
5. | Prepayments and Other Current Assets |
The components of prepayments and other current assets are as follows: | | | | | | | | | As of December 31, | | | 2024 | | 2025 | | 2025 | | | RMB | | RMB | | US$ | Prepayments | | 1,357,173 | | 1,672,528 | | 239,168 | Taxes receivables | | 699,033 | | 3,024,945 | | 432,561 | Interest receivables | | 205,041 | | 191,568 | | 27,394 | Rental and other deposits | | 552,878 | | 1,150,725 | | 164,551 | Others | | 1,599,341 | | 1,486,776 | | 212,606 | | | 4,413,466 | | 7,526,542 | | 1,076,280 |
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