CHANGCHUN, China & LOS ANGELES--(BUSINESS WIRE)--China Yongxin Pharmaceuticals Inc. (OTCBB:CYXN), a leading manufacturer, distributor and retailer of pharmaceuticals in Northeastern China, today announced that it has completed its previously announced reverse merger with Nutradyne Group, Inc. and, to better reflect the Company’s true business, has changed its corporate name to China Yongxin Pharmaceuticals Inc. as well as its ticker symbol to “OTCBB: CYXN.”