CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	6 Months Ended
	Nov. 30, 2013	Nov. 30, 2012
Cash flows from operating activities
Net income/(loss)	$ 624,226	$ (77,211)
Adjustments to reconcile net income/(loss) to net cash provided by/(used in) operating activities:
Amortization expense	58,210	60,884
Depreciation expense	336,915	322,397
Deferred tax	(7,388)	(7,204)
Loss on disposal of property, plant and equipment		5,807
Changes in operating assets and liabilities:
Decrease/(increase) in accounts receivable	1,798,825	(26,122)
(Increase)/decrease in inventories	(96)	7,923
(Increase) in other receivables and deposits	(487,834)	(654,914)
(Increase) in tax recoverable	(210)	(219)
Increase/(decrease) in deferred income	179,642	(279,052)
(Decrease)/increase in accounts payable	(2,594,312)	472,995
Increase in tax payables	131,020	117,258
Increase/(decrease) in accrued liabilities and other payables	21,778	(29,927)
Net cash provided by/(used in) operating activities	60,776	(87,385)
Cash flows from investing activities
Purchase of property, plant and equipment	(19,126)	(742)
Proceeds from disposal of property, plant and equipment		12,599
Increase in amount due from a related company	(11,715)	(95,321)
Net cash used in investing activities	(30,841)	(83,464)
Cash flows from financing activities
Increase in amount due to related companies	15,653	15,198
Net cash provided by financing activities	15,653	15,198
Net increase/(decrease) in cash and cash equivalents	45,588	(155,651)
Effect of exchange rate changes on cash and cash equivalents	(28,180)	21,777
Cash and cash equivalents at beginning of period	5,479,091	3,520,248
Cash and cash equivalents at end of period	5,496,499	3,386,374
Cash paid for interest
Cash paid for income taxes	$ 3,233