We are a professional manufacturer of optical coating material.

DONGGUAN KAIYONG PHOTO-ELETRONIC TECH. CO., LTD is a professional manufacturer of optical coating material. Our products category falls in the following portfolios:(1) Fluoride:MgF2、CaF2、BaF2、LaF3、YF3、CeF3、Na3AIF6、YbF3、PrF3、NdF3.(2) Oxides: Al2O3、SiO、SiO2、TiO、TiO2、Ti2O3、Ti3O5、ZrO2、MgO、Ta2O5、CeO2、Y2O3、HfO2、Sc2O3、Nd2O3、Nb2O5、WO3、ZnO、Bi2O3、Sb2O3.(3)Mixtures:Al2O3/SiO2、ZrO2/TiO2、Ta2O5/ZrO2、Ta2O5/TiO2、ZrO2/Y2O3、SiO/Cr.(4)Compounds: ZnS、GdS、ZnSe.(5)Elementary substance :Si、Ge、Al、Cr