CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (453,802)	$ (2,642,890)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation and amortization expenses	651,636	736,823
(Gain) loss on disposition of equipment	(423)	386,687
Provisions for obsolete inventories	56,435	653,505
Changes in operating assets and liabilities
Accounts receivable	(1,335,416)	317,355
Inventories	2,954,200	3,141,942
Prepaid expenses and other current assets	(1,294,258)	(3,560,027)
Accounts payable and accrued expenses	2,835,852	(1,488,413)
Taxes payable	(51,645)	9,263
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	3,362,579	(2,445,755)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceed from disposal of equipment	4,960	8,028
Purchases of property and equipment	(166,497)	(150,258)
Purchases of land use rights	0	(2,055,960)
NET CASH USED IN INVESTING ACTIVITIES	(161,537)	(2,198,190)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from short term loans	0	1,008,096
Repayment of short term loans	(560,128)	0
Advance from related parties	2,188	6,302,619
Repayment of related party advances	(1,779)	(3,541,521)
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(559,719)	3,769,194
EFFECT OF EXCHANGE RATE ON CASH	(188,490)	7,557
NET INCREASE (DECREASE) IN CASH	2,452,833	(867,194)
Cash at the beginning of period	321,193	1,565,829
Cash at the end of period	2,774,026	698,635
SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION
Cash paid for income taxes	0	0
Cash paid for interest	4,165	4,885
NON-CASH INVESTING AND FINANCING ACTIVITIES
Property and equipment acquired on credit as payable	1,459	30,773
Accrued interest enrolled into debt	445,319	0
Accrued interest payable to related party	$ 11,096	$ 171,944