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Inventories (Details) - Schedule of inventories - USD ($)
Mar. 31, 2021
Jun. 30, 2020
Schedule of inventories [Abstract]    
Raw materials $ 21,061,453 $ 43,177,071
Supplies and packing materials 392,847 465,746
Work in progress 266,735 374,756
Finished goods 42,296,920 54,903,508
Total $ 64,017,955 $ 98,921,081