Provision for/(Reversal of) expected credit losses for receivables and other assets (Details) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|
| Provision for/(Reversal of) expected credit losses for receivables and other assets | ||||
| Collection of return of finance lease receivables | ¥ (1,946,105) | $ (278,289) | ¥ (2,848,564) | ¥ (4,954,732) |
| Expected credit loss/(reversal) for accounts receivables | (281,983) | (40,323) | 105,538 | 199,711 |
| Expected credit loss/(reversal) for other current assets | 4,822,880 | 689,663 | (14,764,657) | 29,314,107 |
| Expected credit loss/(reversal) for other non-current assets | (473,144) | (67,659) | (1,108,096) | 94,462 |
| Total | ¥ 2,121,648 | $ 303,392 | ¥ (18,615,779) | ¥ 24,653,548 |