19.

CONCENTRATIONS

Major Customers

For the year ended December 31, 2014, 2013 and 2012, approximately 20%, 26% and 13% of the Company’s revenues were received from two major customers.

At December 31, 2014, receivables from one customer were approximately 10% of the total accounts receivable at December 31, 2014. No customer represented more than 10% of accounts receivable at December 31, 2013 and 2012, respectively.

Major Suppliers

For the year ended December 31, 2014, 2013 and 2012, purchases from three suppliers were approximately 62%, 83% and 86% of the total purchase, respectively.

Revenues

For the years ended December 31, 2014, 2013 and 2012, the Company’s top three selling products accounted, in the aggregate, for approximately 72%, 67% and 68%, respectively, of its total net revenues.

The following represents the revenues by product line, all derived from China:

	For the years ended
	December 31,
	2014		2013		2012
	US$		US$		US$
Products Line

Medical Devices		10,302,024		14,824,028		18,547,635
Respiratory and Oxygen Homecare		53,755		2,034,150		2,822,690
Mobile medicine		1,633,667		-		-
		11,989,446		16,858,178		21,370,325