Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
Cash flows from operating activities
Net loss before non-controlling interest	$ (131,222)	$ (6,292)
Adjustments to reconcile net income to net cash (used in)/provided by operating activities:
Amortization expense	39,148	40,126
Depreciation expense	44,268	156,424
Changes in operating assets and liabilities:
Decrease/ (Increase) in accounts receivable	10,064	(51,502)
Decrease in inventories		38,527
Decrease in other receivables and deposits	61,014	184,837
(Decrease)/ Increase in deferred income	(172,945)	84,641
Decrease in accounts payable	(207,662)	(314,819)
Increase in tax payables	36,120	15,606
Increase in accrued liabilities and other payables	107,276	22,720
Net cash (used in)/ provided by operating activities	(213,939)	170,268
Cash flows from investing activities
Purchase of property, plant and equipment	(85,689)	(147,074)
Decrease in amount due from a related company	32,655	31,667
Decrease in trust fund	221,397	167,763
Decrease in fixed deposits pledged with bank	67,878	60,705
Net cash provided by investing activities	236,241	113,061
Cash flows from financing activities
Decrease in amount due to related companies	(18,022)	(33,967)
Net cash used in financing activities	(18,022)	(33,967)
Net increase in cash and cash equivalent	4,280	249,362
Effect of exchange rate changes	(47,688)	(18,337)
Cash and cash equivalents at beginning of period	345,315	603,100
Cash and cash equivalents at end of period	301,907	834,125
Supplementary information - continuing operations
Cash paid for income taxes
Cash paid for interest