HangZhou Puris Biotechnology Ltd is specialized in the development, manufacture and sales of various chemicals. Teamed with several institutes and universities, we have developed products with rich varieties, with 80% of them are exported to several countries, such as USA, France, Spain, Italy, India, Thailand, South Africa etc. and win a good reputation .Puris have excellent R & D laband production environment. Not only are equipped with advanced synthesis laboratory, pilot plant and to enlarge the production workshop and other hardware facilities, also has a number of outstanding researchers. We believe that we are fully capable of, in accordance with your requirements for your class from grams to tons of high-quality synthesis and production service.