Note 7 - Intangible Assets, Net: Schedule of Finite-Lived Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2018

Tables/Schedules

Schedule of Finite-Lived Intangible Assets

	Amortization	As of
	Period	March 31, 2018		March 31, 2017
Land use right	50 years	$	1,613,842	$	1,470,875
Patent (non-US No. ZL200610068850.0)	16.5 years		7,315,405		6,667,343
Patent (non-US No. ZL200510045001.9)	14 years		9,859,894		8,986,419
Intangible assets for production and marketing of Yuanbaofen product	10 years		1,755,443		1,599,930
Less: Accumulated amortization			(8,682,567)		(6,681,809)
Intangible assets, net		$	11,862,017	$	12,042,758