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Inventories (Details) - Schedule of inventories - USD ($)
Dec. 31, 2020
Jun. 30, 2020
Schedule of inventories [Abstract]    
Raw materials $ 25,106,028 $ 43,177,071
Supplies and packing materials 410,239 465,746
Work in progress 299,260 374,756
Finished goods 65,014,988 54,903,508
Total $ 90,830,515 $ 98,921,081