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Prepayments and other current assets (Tables)
3 Months Ended
Sep. 30, 2022
Prepayments And Other Current Assets  
Schedule of prepayments and other current assets
        
  

September 30,

2022

  

June 30,

2022

 
Advance to suppliers  $1,922,361   $3,938,881 
Prepaid income taxes   214,818    375,087 
Prepaid expenses and other receivables   1,026,584    1,130,495 
           
Total  $3,163,763   $5,444,463