Short-Term Borrowings - Schedule of Short-Term Borrowings (Details) |
Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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| Schedule of Short-Term Borrowings [Line Items] | |||||||||||
| Total short-term borrowings | ¥ 22,203,903 | $ 3,158,989 | ¥ 10,497,682 | ||||||||
| Industrial and Commercial Bank of China [Member] | |||||||||||
| Schedule of Short-Term Borrowings [Line Items] | |||||||||||
| Total short-term borrowings | [1] | 10,690,000 | 1,520,885 | 6,990,000 | |||||||
| Bank of China Shenzhen Dafen Branch [Member] | |||||||||||
| Schedule of Short-Term Borrowings [Line Items] | |||||||||||
| Total short-term borrowings | [2] | 5,000,000 | 711,359 | ||||||||
| Bank of Ningbo [Member] | |||||||||||
| Schedule of Short-Term Borrowings [Line Items] | |||||||||||
| Total short-term borrowings | [3] | 3,513,903 | 499,929 | 3,507,682 | |||||||
| Bank of China Shenzhen Longhua Branch [Member] | |||||||||||
| Schedule of Short-Term Borrowings [Line Items] | |||||||||||
| Total short-term borrowings | [4] | ¥ 3,000,000 | $ 426,816 | ||||||||
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