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Loan Payable (Details) - USD ($)
9 Months Ended
Dec. 31, 2019
Mar. 31, 2019
Loan Payable (Textual)    
Loans payable, description The Company borrowed $717,570 and $6,458,130 from Haihui Commercial , respectively. After deducting processing fee and deposits which are refundable at the end of loan period, the Company received $617,084 and $5,876,885 respectively.  
Remaining loan balance $ 7,076,038  
Monthly repayment due $ 2,302,924
Due term 1 year