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RELATED PARTY TRANSACTIONS AND BALANCES - Sales to a related party (Details)	12 Months Ended
	Jun. 30, 2022 CNY (¥)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 CNY (¥)	Jun. 30, 2020 CNY (¥)
Related Party Transaction [Line Items]
Total revenues from a related party	¥ 0	$ 0	¥ 85,657	¥ 0
Urumqi Yikeli Automatic Control Equipment Co., Ltd.
Related Party Transaction [Line Items]
Total revenues from a related party	¥ 0	$ 0	¥ 85,657	¥ 0

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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