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v3.25.1

Short-Term and Long-Term Debts (Details) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 11, 2022 CNY (¥) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2024 USD ($) | Apr. 30, 2024 CNY (¥) | Jun. 30, 2023 CNY (¥)
Short-Term and Long-Term Debts [Line Items] |  |  |  |  |  |  |
Borrowed amount |  | ¥ 20,000,000 | ¥ 20,000,000 |  |  |  |
Repayment of short term debt |  | 22,000,000 |  |  |  |  |
Short-term loans |  | ¥ 18,000,000 | 20,000,000 |  | $ 2,504,034 |  |
Weighted average interest rate |  | 3.67% |  |  | 3.67% |  |
Short term debt maturity term |  | September 2025 |  |  |  |  |
Amount borrowed |  |  | 108,247,467 | ¥ 17,093,316 |  |  |
Repayments of credit facilities |  |  |  | ¥ 140,000 |  |  |
Zhejiang Shaoxing Ruifeng Rural Commercial Bank [Member] |  |  |  |  |  |  |
Short-Term and Long-Term Debts [Line Items] |  |  |  |  |  |  |
Amount borrowed |  | ¥ 200,030,488 |  |  |  |  |
Zhejiang Shaoxing Ruifeng Rural Commercial Bank [Member] |  |  |  |  |  |  |
Short-Term and Long-Term Debts [Line Items] |  |  |  |  |  |  |
Line of credit | ¥ 100,000,000 |  |  |  |  | ¥ 198,000,000 | ¥ 148,000,000
Expiration date | Jul. 25, 2030 |  |  |  |  |  |
Credit facility bear interest rates |  | 5.40% |  |  |  |  |
Line of Credit [Member] |  |  |  |  |  |  |
Short-Term and Long-Term Debts [Line Items] |  |  |  |  |  |  |
Repayments of credit facilities |  | ¥ 147,667,636 | ¥ 1,530,000 |  |  |  |
Zhejiang Shaoxing Ruifeng Rural Commercial Bank [Member] | Line of Credit [Member] |  |  |  |  |  |  |
Short-Term and Long-Term Debts [Line Items] |  |  |  |  |  |  |
Repayment dates |  | dates for parts of the loan ranging from June 20, 2025 to July 25, 2030 |  |  |  |  |

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