| Deposits to institutional cooperators, net |
5. Deposits to institutional cooperators, net The following table presents the deposits to institutional cooperators as of December 31, 2024 and 2025, respectively: | | | | | | | | | As of | | | | | | | December 31, | | As of December 31, | | | 2024 | | 2025 | | 2025 | | | RMB | | RMB | | US$ | Deposits to institutional cooperators | | 1,964,168,534 | | 1,718,689,880 | | 245,769,384 | Provision for credit losses on deposits to institutional cooperators | | (5,871,290) | | (5,096,518) | | (728,792) | Deposits to institutional cooperators, net | | 1,958,297,244 | | 1,713,593,362 | | 245,040,592 |
Deposits to institutional cooperators relate to the pledged cash to the Group’s financial institutional cooperators and the amount of deposit is separately agreed with each institutional cooperator. The following table presents the movement of the provision for deposits to institutional cooperators: | | | | | | | | | | | | | Provision for | | | | | | | As of | | credit losses on | | Charge-off for | | As of | | | December 31, | | deposits to | | deposits to | | December 31, | | | 2023 | | institutional cooperators | | institutional cooperators | | 2024 | | | RMB | | RMB | | RMB | | RMB | Deposits to institutional cooperators | | 2,649,017 | | 3,222,273 | | — | | 5,871,290 |
| | | | | | | | | | | | | (Reversal of) | | | | | | | | | provision for | | | | | | | As of | | credit losses on | | Charge-off for | | As of | | | December 31, | | deposits to | | deposits to | | December 31, | | | 2024 | | institutional cooperators | | institutional cooperators | | 2025 | | | RMB | | RMB | | RMB | | RMB | Deposits to institutional cooperators | | 5,871,290 | | (774,772) | | — | | 5,096,518 |
| | | | | | | | | | | | | (Reversal of) | | | | | | | | | provision for | | | | | | | As of | | credit losses on | | Charge-off for | | As of | | | December 31, | | deposits to | | deposits to | | December 31, | | | 2024 | | institutional cooperators | | institutional cooperators | | 2025 | | | US$ | | US$ | | US$ | | US$ | Deposits to institutional cooperators | | 839,583 | | (110,791) | | — | | 728,792 |
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