Sendor Biological Technology Co., Ltd is one of the innovative and high-tech company in steroid hormone fields in China, who has engaged in R&D, production and marketing for more than 10 years. Ever since its foundation, Sendor  invests much funds for perfect equipment, advanced detecting instruments and excellent R&D teams. With the whole team efforts for many years, not only we get familiar with the market in US, EU and many other area, but also gain favorable reputation in all of our customers.