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RELATED PARTY TRANSACTIONS AND BALANCES - Prepaid expense (Details)
Jun. 30, 2023
CNY (¥)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
CNY (¥)
RELATED PARTY TRANSACTIONS AND BALANCES      
Prepaid expenses ¥ 350,119 $ 48,284 ¥ 420,284
Related party      
RELATED PARTY TRANSACTIONS AND BALANCES      
Prepaid expenses 0 0 275,000
Founders      
RELATED PARTY TRANSACTIONS AND BALANCES      
Prepaid expenses ¥ 0 $ 0 ¥ 275,000