Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for C6H6N2O4S, Py-Zym Barley , Cystine , Curcumin 95% ,L-Tryptophane . We guaranteed high quality, if clients were not satisfied with the products' quality, you can return inside 7days with their original states. The product will supply to all over the world, such as Europe, America, Australia,Albania , Botswana ,Swiss , Peru .In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we are going to continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.