Fu zhou corona science&technology development co. Ltd. Was established in 1996. It is specialized in manufacturing and marketing bio-products include different grades of extracts such as tea polyphenols(epicatechins), tea pigment, tea polysaccharide, egcg monomer, white tea polyphenols, super-micro green tea powder, herb extracts and biochemical products etc. The quality of our product is above that of other similar products in market at present and is in the leading lace in the world. As early as 1988, under direction and cooperation of dr. Stephen s. Chang, a famous food chemist expert on america. And we work together the professor of the state university of new jersey rutgers department of food science. Cook college. Currently, we are continually work together to develop more future nature chemical products. Our products are strictly in accordance with gmp standard. We are sure that, it will help to improve your products quality and reduce your products cost.