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INCOME TAX - Additional Information (Details)	12 Months Ended
	Jun. 30, 2025 CNY (¥)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 CNY (¥)
INCOME TAX
Federal statutory income tax rate	25.00%	25.00%
Cumulative net operating loss	¥ 131,816,166		$ 18,400,827	¥ 145,300,000
Additional NOL incurred by VIEs and VIEs' subsidiaries	17,300,000	$ 2,400,000
Net operating loss expired	¥ 30,800,000		$ 4,300,000
Nanjing Recon
INCOME TAX
Federal statutory income tax rate	15.00%	15.00%
Beijing Bhd Petroleum Technology Co Ltd
INCOME TAX
Federal statutory income tax rate	15.00%	15.00%

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- Definition

Represents the amount of additional NOL incurred by VIEs and VIEs' subsidiaries.

+ References

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Represents the amount of net operating loss expired.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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