| Schedule of other current assets |
| | | | | | | | | | | | | As of December 31, | | | | | 2024 | | 2025 | | | | | RMB | | RMB | | US$ | Prepayment | | | | 28,947,278 | | 6,527,809 | | 933,464 | Inventory | | 5.1 | | 10,674,018 | | 54,679,786 | | 7,819,105 | Receivables from third party payment service providers | | | | 12,693,037 | | 185,566 | | 26,536 | Receivables from Funding Partners and other service providers | | | | 24,435,473 | | 21,332,155 | | 3,050,458 | Receivable from broker for derivative collateral | | | | 267,280,381 | | 824,279,618 | | 117,870,418 | Deposits prepaid to securities companies | | | | 1,231,094,816 | | 369,603,877 | | 52,852,651 | Others | | 5.2 | | 430,728,834 | | 254,059,186 | | 36,329,980 | Total | | | | 2,005,853,837 | | 1,530,667,997 | | 218,882,612 | Less: Allowance for other current assets | | | | (72,671,045) | | (77,493,926) | | (11,081,484) | | | | | 1,933,182,792 | | 1,453,174,071 | | 207,801,128 |
5.1The Company’s inventory has balance of RMB 55 million (US$8 million) as of December 31, 2025, which mainly consists of AI robots in AI pet sales business and others related to those wind-down business, with an impairment loss of RMB 46 million (US$7 million) for the year ended December 31, 2025. 5.2Others include borrowings to third - party individuals of RMB 46 million and RMB 47 million as of December 31, 2024 and 2025, respectively. Maturity dates of these borrowings range from January 15, 2022 to July 1, 2026, and the interest rates range from 0.00% to 5.50%. The borrowings are partially secured by certain financial and real estate assets.
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| Schedule of allowance for other current assets |
| | | | | | | | | As of December 31, | | | 2024 | | 2025 | | | RMB | | RMB | | US$ | Balance at the beginning of the year | | 116,860,992 | | 72,671,045 | | 10,391,821 | Additions/(reversal) | | (15,572,138) | | 5,587,076 | | 798,941 | Charge-offs | | (28,617,809) | | (764,195) | | (109,278) | Balance at the end of the year | | 72,671,045 | | 77,493,926 | | 11,081,484 |
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