v3.26.3
INCOME TAX - Reconciliation of income tax expense (benefit) (Details)
12 Months Ended
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2024
CNY (¥)
INCOME TAX        
Income tax benefits calculated at PRC statutory rates ¥ (7,911,651) $ (1,166,033) ¥ (10,924,924) ¥ (12,858,953)
Tax Jurisdiction of Domicile [Extensible Enumeration] China China China China
Nondeductible expenses and others ¥ 198,648 $ 29,277 ¥ 410,819 ¥ 427,969
Effect of tax rate differential 5,372,554 791,816 8,080,498 9,080,982
Benefit of revenue exempted from enterprise income tax 5,936 875 12,864 19,714
Change in valuation allowances 2,332,904 343,828 2,422,323 3,330,318
Income tax expenses (benefit) ¥ (1,609) $ (237) ¥ 1,580 ¥ 30