SHENYANG, China, Feb. 8, 2013 /PRNewswire/ -- 3SBio Inc. (NASDAQ: SSRX ) ("3SBio" or the "Company"), a leading China -based biotechnology company focused on researching, developing, manufacturing and marketing biopharmaceutical products, today announced that it has entered into an agreement and plan of merger (the "Merger Agreement") with Decade Sunshine Limited, an exempted company with limited liability incorporated under the laws of the Cayman Islands ("Parent"), and Decade Sunshine Merger Sub, an exempted company with limited liability incorporated under the laws of the Cayman Islands and a direct wholly owned subsidiary of Parent ("Merger Sub").