Short-Term and Long-Term Debts - Schedule of the Company's Outstanding Short-Term Loans (Details) - CNY (¥) |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Guaranteed by Mr. Jianping Kong, the principal shareholder, chairman and chief executive officer, Mr. Qifeng Sun, the principal shareholder and vice chairman, and two subsidiaries within the Company's organizational structure [Member] | ||
| Short-Term Debt [Line Items] | ||
| Outstanding short-term loans | ¥ 18,000,000 | ¥ 18,000,000 |
| Guaranteed by Mr. Jianping Kong and one subsidiary within the Company's organizational structure [Member] | ||
| Short-Term Debt [Line Items] | ||
| Outstanding short-term loans | 5,000,000 | |
| Guaranteed by the Mr. Jianping Kong, one subsidiary within the Company's organizational structure, and a third party financial institution [Member] | ||
| Short-Term Debt [Line Items] | ||
| Outstanding short-term loans | ¥ 10,000,000 |