XML 40 R28.htm IDEA: XBRL DOCUMENT v3.20.2
Advance to Suppliers (Tables)
 3 Months Ended
Jun. 30, 2020
Advance to Suppliers [Abstract]  
Schedule of advance to suppliers
    As of     As of  
    June 30,
2020		     March 31,
2020		  
Advance to suppliers   $ 3,170,767     $ 2,118,367  
Less: allowances for doubtful accounts     (2,372)       (2,000)  
Advance to suppliers, net   $ 3,168,395     $ 2,116,367