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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Summary of Significant Accounting Policies [Abstract] |
Schedule of Estimated Useful Lives of Property and Equipment | Depreciation is calculated using the straight-line method over their estimated useful lives. The estimated useful lives are as follows:
Machinery and electronic equipment |  | 3 to 10 years
Office furniture |  | 5 years
Transportation equipment |  | 4 years
Buildings and facilities attached to buildings |  | 20 years
Schedule of Estimated Useful Lives of Intangible Assets | The Company amortizes its franchise right and land use right on a straight-line basis over the contractual term. The estimated useful lives are as follows:
Franchise right |  | 2 years
Land use right |  | 50 years
Schedule of Net Revenues | The following table summarizes the net revenues generated from different revenue streams:
|  | For the Years Ended December 31, |
|  | 2022 |  |  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | RMB |
Product sales revenue |  |  | 920,653,911 |  |  |  | 71,321,462 |  |  |  | 34,096,450 |
Service revenue |  |  | 62,514,987 |  |  |  | 7,013,914 |  |  |  | 6,499,466 |
Net revenues |  |  | 983,168,898 |  |  |  | 78,335,376 |  |  |  | 40,595,916 |
Schedule of Net Revenues By Geographical Location of Customers | For the years ended December 31, 2022, 2023 and 2024, the Company’s net revenues by geographical location of customers are as follows:
|  | For the Years Ended December 31, |
|  | 2022 |  |  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | RMB |
PRC |  |  | 906,347,962 |  |  |  | 57,485,526 |  |  |  | 24,986,453 |
Hong Kong |  |  | 33,556,434 |  |  |  | 16,461 |  |  |  | 9,467,603 |
Singapore |  |  | 184,738 |  |  |  | 1,119,872 |  |  |  | 4,697,243 |
The United States |  |  | 16,278,352 |  |  |  | 7,115,353 |  |  |  | 1,094,904 |
Others |  |  | 26,801,412 |  |  |  | 12,598,164 |  |  |  | 349,713 |
Net revenues |  |  | 983,168,898 |  |  |  | 78,335,376 |  |  |  | 40,595,916 |

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