XI'AN, China, Sept. 9 /PRNewswire-Asia-FirstCall/ -- Huifeng Bio-Pharmaceutical Technology, Inc. (OTC Bulletin Board: HFGB) ("Huifeng" or the "Company"), specializing in developing and producing botanical extracts and other raw materials for pharmaceuticals and food additives, today announces a definitive agreement under which Huifeng will acquire 90% of the equity ownership of Shangqiu Kexin Rutin Processing Ltd. ("Kexin"), a local leading Rutin manufacturer in Henan Province, at a price of $1.75 million. As a result of the acquisition, Kexin will be a wholly-owned subsidiary of Huifeng.