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v3.25.1

NOTES RECEIVABLE (Details) | Mar. 28, 2025 CNY (¥) | Mar. 28, 2025 USD ($) | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Jun. 30, 2024 CNY (¥)
--- | --- | --- | --- | --- | ---
NOTES RECEIVABLE |  |  |  |  |
Notes receivable |  |  | ¥ 3,206,733 | $ 439,321 | ¥ 1,341,820
Subsequent event |  |  |  |  |
NOTES RECEIVABLE |  |  |  |  |
Notes receivable | ¥ 2,100,000 | $ 300,000 |  |  |
Percentage of notes subsequently collected | 64 | 64 |  |  |

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