NIFS

Components made of glass, glass ceramic, quartz glass, and crystals for optical applications, namely, optical lenses and optical filters; [ photomasks for use in the production of integrated circuits; optical lenses; optical filters; special glass and glass ceramic components for optical components, namely, lenses and rods for machines and equipment for the production of computer chips, integrated circuits and other components for digital equipment ]

[Unworked and semi-worked glass, glass ceramic, quartz glass and crystals, not for building;] fused silica as semi-finished products, namely, ingots, tubes and rods, all for general industrial and further manufacturing use