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v3.25.1

Leases (Details Narrative) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2020
Leases [Abstract] |  |  |  |  |  |
[custom:OperatingLeaseRightOfUseAssets-0] | $ 200,000 |  |  |  | ¥ 1,600,000 |
Operating Lease, Weighted Average Discount Rate, Percent |  |  |  |  |  | 7.00%
Operating Lease, Weighted Average Remaining Lease Term | 1 year 6 months |  |  |  | 1 year 6 months |
Short-Term Lease, Cost |  | ¥ 0 | ¥ 191,113 |  |  |
Rent expenses | $ 160,039 | 1,139,743 | 1,284,750 | ¥ 1,651,749 |  |
Impairment of right of use assets |  | ¥ 0 | ¥ 0 | ¥ 151,041 |  |

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