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v3.25.1

Deconsolidation (Details) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 06, 2023 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥)
Total current assets |  | $ 175,917,834 |  |  |  | ¥ 1,264,567,769 | ¥ 408,287,084
Total assets |  | 176,274,857 |  |  |  | 1,267,134,187 | 410,520,259
Total liabilities |  | 28,882,391 |  |  |  | 207,618,180 | 85,315,757
Feda Electronics Co [Member] |  |  |  |  |  |  |
Total current assets |  |  |  | $ 505,962 |  |  | 3,583,579
Total non-current assets |  |  |  | 16,275 |  |  | 115,270
Total assets |  |  |  | 522,237 |  |  | 3,698,849
Total liabilities |  |  |  | 42,563 |  |  | 301,464
Total net assets |  |  |  | 479,674 |  |  | 3,397,385
Total consideration |  |  |  |  |  |  |
Total loss on disposal | ¥ 17,801,786 |  |  | $ 2,526,259 | ¥ 17,801,786 |  |
Shenzhen Yiyou Online Technology Co [Member] |  |  |  |  |  |  |
Total current assets |  | 30,134 |  |  |  | 216,613 |
Total non-current assets |  | 55,645 |  |  |  | 400,000 |
Total assets |  | 85,779 |  |  |  | 616,613 |
Total liabilities |  | 227,142 |  |  |  | 1,632,790 |
Total net assets |  | (141,363) |  |  |  | (1,016,177) |
Total consideration |  | 1 |  |  |  | ¥ 10 |
Total loss on disposal |  | $ 197,010 | ¥ 1,416,187 |  |  |  |

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