Zhengzhou Tuoyang Bio-Engineering Co., Ltd. was established in 1993. Our predecessor is Zhengzhou Bio-Chemical Plant (School-Based Enterprises of No.8 Middle School of Zhengzhou). We were re-organized and changed our name into Zhengzhou Tuoyang Industrial Co., Ltd. in 2005. We successfully re-organized Zhongyuan Pharmaceutical Factory with Henan Investment Group in 2007. Now we are a state controlled enterprise and belong to Henan Investment Group. Zhengzhou Tuoyang Industrial Co., Ltd is a famous professional manufacturer specialized in food additives and medical mediums and has import and export rights. We were registered in Zhengzhou High & New Technology Industrial Development Zone and are a national high-tech industrialization demonstration project and one of the 50 fastest growing high-tech enterprises in Henan Province. We have advanced technology and first-class equipment and