NOTE9 - LOAN PAYABLE (Details) - USD ($)	12 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Details
Total Short Term Loan Payable	$ 3,378,380	$ 6,079,983
Loan from Min Wu at 10%	31,210	32,671
Loan from Jianjun Yan at 10% A	1,256,562	1,189,207
Loan from Jianjun Yan at 4% B	1,202,965	1,210,829
Loan from Junzhen Zhang	22,698	23,760
Loan from Jian Chen	171,656	163,353
Loan from Qing Kong A	116,612	111,734
Loan from Guihai Chen0318	51,780	49,302
Loan from Weifeng Kong	28,373	29,700
Loan from Shidong Wang	0	1,606,200
Loan from Xuxu Gu	0	1,588,976
Loan from Huagui Yong	70,932	74,251
Loan from Guohui Zhang	425,592	0
Total Short and Long Term Loan Payable	3,378,380	6,079,983
Loan from Xuxu Gu Long Term A	0	1,603,825
Loan from Xuxu Gu Long Term B	0	430,657
Loan from Xuxu Gu Long Term C	0	504,908
Loan from Dadong Mei Long Term	0	1,603,825
Loan from Mingbang Ma Long Term	0	297,005
Loan from Weiwei Lian Long Term	0	1,485,024
Loan from Guanghua Xia Long Term A	0	1,336,521
Loan from Guanghua Xia Long Term B	0	415,807
Loan from Guanghua Xia Long Term C	0	831,613
Loan from Yuehu Zhou Long Term	0	1,336,521
Total Long Term Loan	0	9,845,706
Interest expense related to short-term loans and long-term loans	$ 638,835	$ 667,146