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Prepayments and other current assets (Tables)
9 Months Ended
Mar. 31, 2022
Prepayments And Other Current Assets  
Schedule of prepayments and other current assets
          
  

March 31,

2022

  

June 30,

2021

 
Advance to suppliers  $6,571,914   $3,969,625 
Prepaid expenses and other receivables   1,241,858    723,375 
           
Total  $7,813,772   $4,693,000