Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for 99.5% Er2O3, Nano Silver, Cas 7647-17-8, Nano Tungsten Carbide,Fullerene C60. We are going to do our greatest to satisfy or exceed customers' prerequisites with excellent goods, advanced concept, and economical and timely company. We welcome all clients. The product will supply to all over the world, such as Europe, America, Australia,Brazil, Sierra Leone,Sierra Leone, Serbia.Till now, the goods list has been updated regularly and attracted clients from around the globe. Detailed facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are going to help you get comprehensive acknowledge about our products and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.