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Other Current Assets (Details) - Schedule of Other Current Assets | Dec. 31, 2023 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 CNY (¥)
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Schedule of Other Current Assets [Abstract] |  |  |
Value-added tax recoverable | ¥ 34,041,675 |  | ¥ 23,731,587
Deposits | 2,361,968 |  | 3,434,080
Others | 1,504,449 |  | 109,548
Total | ¥ 37,908,092 | $ 5,352,209 | ¥ 27,275,215

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