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CONTRACT COSTS, NET - Movement of impairment of contract costs (Details)
12 Months Ended
Jun. 30, 2023
CNY (¥)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
CNY (¥)
CONTRACT COSTS, NET      
Beginning balance ¥ 4,063,482 $ 560,380 ¥ 4,548,910
Reversal of allowance (1,720,095) (237,212) (552,008)
Charge to cost of sales 242,768 33,479 66,580
Ending balance ¥ 2,586,155 $ 356,647 ¥ 4,063,482