We are the professional rare earth oxide manufacturer in China for ten more years, and got to know that you are importer and supplier of chemical material as Praseodymium Oxide, Cerium Oxide, Neodymium oxide, Gadolinium oxide, Lanthanum oxide, Samarium oxide, Europium oxide, so I just contact you to see if we can have the opportunity to cooperate with your company, provide the material to you. Our company is a high-tech enterprise, who is professional to provide polishing materials and develop