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v3.25.2

Short-term investments | 6 Months Ended
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Jun. 30, 2025
Short-term Investments |
Short-term investments | Note 4 — Short-term investments Short-term investments consist of the following:
Schedule of Short term investments |  |  |  |  |  |  |  |  |
|  | December 31, 2024 |  |  | June 30, 2025 |  |  | June 30, 2025 |
|  | RMB |  |  | RMB |  |  | USD |
Marketable securities |  |  | 149,583,000 |  |  |  | 472,897,200 |  |  |  | 66,060,012 |
Fair value disclosure:
Schedule of Fair value disclosure |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  | December 31, 2024 |
|  | December 31, |  |  | Fair Value |
|  | 2024 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | RMB |
Marketable securities |  |  | 149,583,000 |  |  |  | 149,583,000 |  |  |  | - |  |  |  | - |
|  |  |  |  | June 30, 2025 |
|  | June 30, |  |  | Fair Value |
|  | 2025 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | RMB |
Marketable securities |  |  | 472,897,200 |  |  |  | 472,897,200 |  |  |  | - |  |  |  | - |
There is no transfer between the levels for the periods presented. As of December 31, 2024, and June 30, 2025, short-term investments amounted to RMB 149,583,000 and RMB 472,897,200 (USD 66,060,012), respectively. During the six months ended June 30, 2025, the Company invested a total of RMB 389,427,840 (USD 54,400,000). The fair value change resulted in loss of approximately RMB 1,239,240 (USD 173,112).

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