Consolidated Statements of Stockholders' Equity - USD ($)	Preferred Stock	Common Stock	Additional Paid-in Capital	Statutory Reserve	AOCI Attributable to Parent	Retained Earnings	AOCI Including Portion Attributable to Noncontrolling Interest	Noncontrolling Interest	Total
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Mar. 31, 2016	$ 22,500	$ 29,721	$ 4,648,461	$ 1,828,504	$ 837,064	$ 72,983,301	$ 80,349,551	$ 0	$ 80,349,551
Shares, Outstanding, Beginning Balance at Mar. 31, 2016	45	29,720,690
Net Income (Loss)						10,078,303	10,078,303	(23,649)	10,054,654
Stock issued for services, Amount		$ 68	22,041				22,109		22,109
Stock issued for services, Shares		68,478
Transfer 3% equity of Shandong Spring to a noncontrolling shareholder			(448,690)				(448,690)	2,451,199	2,002,509
Stock option cost			101,026				101,026		101,026
Foreign currency translation adjustment					(5,223,909)		(5,223,909)	(4,459)	(5,228,368)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2017	$ 22,500	$ 29,789	4,322,838	1,828,504	(4,386,845)	83,061,604	84,878,390	2,423,091	87,301,481
Shares, Outstanding, Ending Balance at Mar. 31, 2017	45	29,789,168
Net Income (Loss)						11,386,333	11,386,333	352,155	11,738,488
Foreign currency translation adjustment					8,841,862		8,841,862	273,459	9,115,321
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Mar. 31, 2018	$ 22,500	$ 29,789	$ 4,322,838	$ 1,828,504	$ 4,455,017	$ 94,447,937	$ 105,106,585	$ 3,048,705	$ 108,155,290
Shares, Outstanding, Ending Balance at Mar. 31, 2018	45	29,789,168