In our company, we use only high purity silicon dioxide powders as raw materials. Some appropriate useful elements are also added to effectively control the hazardous substances in silica. We smelt the raw materials under temperatures as high as 2000 degree centigrade. Silica optial coating materials are produced by precisely grinding after fine annealing.

Our products have high and stable success rate in coating. It is the most advanced specific product, which has been competitive among Japanese and German optical companies. Our products are mainly used in lens and prisms for digital cameras, projectors, photo-copiers, microscopes, and advanced telescopes, and optical filters of optical test equipments and optical communicaito equipments.