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CONCENTRATION OF CUSTOMERS (Details)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Sales | Customer A    
Concentration risk 37.70% 38.40%
Sales | Customer B    
Concentration risk 9.70% 17.60%
Account Receivable | Customer A    
Concentration risk 34.70% 40.60%
Account Receivable | Customer B    
Concentration risk 11.80% 6.30%