CONDENSED CONSOLIDATED STATEMENT OF CASH FLOW (USD $)	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows From Operating Activities:
Net income	$ 8,422,815	$ 3,513,178
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	799,809	2,257,176
Issue of common shares as compensation	5,000	0
Unrealized gain on derivative	(4,425,514)	0
Changes in operating assets and liabilities:
Inventory	(1,783,117)	(1,745,214)
Accounts receivable	115,938	0
Taxes payable	(691,144)	(699,196)
Accrued expenses and other payables	(77,551)	(113,352)
Net cash provided by (used in) operating activities	2,366,236	3,212,592
Cash flows from investing activities:
Addition to plant and equipment	(2,695)	0
Prepayment/(deposit) to Jining Tianruitong for purchase of patents	0	9,948,966
Net cash provided by (used in) investing activities	(2,695)	9,948,966
Effect of exchange rate changes on cash and cash equivalents	59,783	488,642
Net increase (decrease) in cash and cash equivalents	2,423,324	13,650,200
Cash and cash equivalents at beginning of period	22,146,240	6,046,804
Cash and cash equivalents at ending of period	24,569,564	19,697,004
Cash paid during the periods for:
Interest	58,792.00	0
Income taxes	2,017,568	1,355,915
Non-cash financing activities:
Stock issued for services	$ 50,000	$ 0