Profile: Shenzhen Kangtai Biological Products Co., Ltd. is engaged in researching, developing and producing vaccines and other biological products, combining science, technology, production and trade into an integrated entity. At present we focus attention on production of yeast recombinant hepatitis B vaccine. We have introduced advanced technology and process design from Merck & Co., Inc. (Merck) in U.S.A. to produce Recombinant Hepatitis B Vaccine with a yeast expression system. Our production line has reached an advanced level which produces biological products with recombinant DNA technology on a large scale. It will help in developing the biotechnology industry and in achieving the purpose to prevent Hepatitis B in China.