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LONG-TERM BORROWINGS DUE TO RELATED PARTIES- Due to related party (Details) - Related Parties	Jun. 30, 2025 CNY (¥)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 CNY (¥)
LONG-TERM BORROWINGS DUE TO RELATED PARTY
Long-term borrowing from a Founder, 3.75% annual interest, three years loan, due on April 29, 2027	¥ 10,000,000	$ 1,395,946	¥ 10,000,000
Total long-term borrowings due to related parties	¥ 10,000,000	$ 1,395,946	¥ 10,000,000

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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