TIANJIN RINGPU BIO-TECHNOLOGY CO.,LTD. is principally engaged in the research, development, production and distribution of biological products and preparations for veterinary use. The Company's biological products for veterinary use include vaccine for poultry and vaccine for livestock, mainly used in the prevention of chicken and pigs. The Company's preparations for veterinary use include powder, oral liquid, injections, granules and tablets, mainly used in the prevention and treatment of the diseases of poultry and livestock, as well as feed additive, mainly used in the regulation of physiological functions of animals, among others. During the year ended December 31, 2009, the Company obtained approximately 75% and 25% of its total revenue from biological products for veterinary use and preparations for veterinary use, respectively.