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6. Prepayments and other current assets (Tables)
9 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Schedule of prepayments and other current assets
  

March 31,

2021

  

June 30,

2020

 
Advance to suppliers  $1,768,768   $298,841 
Prepaid expenses and Other receivables   1,154,804    317,390 
           
Total  $2,923,572   $616,231