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RELATED PARTY TRANSACTIONS AND BALANCES - Leases from related parties (Details)	6 Months Ended
	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 CNY (¥)
RELATED PARTY TRANSACTIONS AND BALANCES
Operating lease liabilities	¥ 6,673,172		$ 914,220	¥ 7,712,532
Related Parties
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	96,875	$ 13,272
Annual rental expense	1,200,000	200,000
Rights of use lease assets, net	1,269,146		173,872	1,769,840
Operating lease liabilities	1,951,647		$ 267,374	¥ 2,111,090
Founder one
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	¥ 40,000	$ 5,480
Lessee, Operating Lease, Period of Contract	April 1, 2024 - March 31, 2026	April 1, 2024 - March 31, 2026
Founder two
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	¥ 33,250	$ 4,555
Lessee, Operating Lease, Period of Contract	January 1, 2024- Dec 31, 2025	January 1, 2024- Dec 31, 2025
Founder three
RELATED PARTY TRANSACTIONS AND BALANCES
Monthly rent	¥ 23,625	$ 3,237
Lessee, Operating Lease, Period of Contract	January 1, 2024- Dec 31, 2025	January 1, 2024- Dec 31, 2025

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Period of lessee's operating lease.

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Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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