INTANGIBLE ASSETS, NET

6 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

INTANGIBLE ASSETS, NET

NOTE 8 - INTANGIBLE ASSETS, NET

The intangible assets of the Company consist of land use right and purchased patents.

Net land use right and purchased patents were as follows:

	Amortization		As of
	Period		September 30, 2012			March 31, 2012
Land use right		50 years	$	1,600,378		$	1,612,252
Less: Accumulated amortization				(192,766	)		(178,052	)
Land use right, net				1,407,613			1,434,200
Patent 1		16.5 years		7,254,375			7,308,199
Patent (non-US No. ZL200510045001.9)		13.75 years		9,777,638			9,850,182
Patent (non-US No. ZL200710013301.8)		14.95 years		1,577,038			1,588,739
Less: Accumulated amortization				(1,926,575	)		(1,317,810	))
Patents, net			$	16,682,476		$	17,429,310

 The amortization expense of land use right for the three months ended September 30, 2012 and 2011 was $14,714 and $10,677, respectively.  The amortization expense of patents for the three months ended September 30, 2012 and 2011 was $608,765 and $720,903, respectively.

The amortization expense of land use right for the six months ended September 30, 2012 and 2011 was $21,886 and $20,482, respectively.  The amortization expense of patents for the six months ended September 30, 2012 and 2011 was $912,483 and $1,895,790, respectively.