Brother Enterprises Holding Co., Ltd is principally engaged in the research, development, manufacture and distribution of vitamin and leather chemical products. The Company primarily provides vitamin products, including vitamin K3 and vitamin B1 series, which are applied as feedstuff additives and food additives, as well as leather chemical products, including tanning agents and leather auxiliary series, which are applied in the tanning and processing of leather and fur products. During the year ended December 31, 2009, the Company obtained approximately 51.79% and 47.58% of its total revenue from vitamin and leather chemical products, respectively.