Long-term loan payable Table (Details) - USD ($)	Jan. 31, 2018	Apr. 30, 2017
Details
Loan from Xuxu Gu 0319	$ 1,590,128	$ 1,450,242
Loan from Dadong Mei	1,590,128	1,450,242
Loan from Xuxu Gu 0919	1,701,438	0
Total Long Term Loan Payable	$ 4,881,694	$ 2,900,484