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Intangible Assets, Net (Tables) | 12 Months Ended
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Dec. 31, 2023
Intangible Assets, Net [Abstract] |
Schedule of Intangible Asset, Net | Intangible assets, net consisted of the following:
|  | As of |
|  | December 31, |  |  | December 31, |
|  | 2022 |  |  | 2023 |
|  | RMB |  |  | RMB |  |  | US$ |
Software |  |  | 1,438,175 |  |  |  | 2,096,218 |  |  |  | 295,963 |
Less: accumulated depreciation |  |  | (680,216 | ) |  |  | (101,350 | ) |  |  | (14,309 | )
Intangible assets, net |  |  | 757,959 |  |  |  | 1,994,868 |  |  |  | 281,654 |

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