Producers of single crystal sapphire blanks and semi-finished products for semiconductor equipment, electronics, aerospace, missile domes, radomes, armoured transparent windows, optics, analytical and medicine in three methods: HDSM (Horizontal Directed Solidification), Kyropoulos Technology (a large cylinder or "bowl" and domes) and EFG - Stephanov (profile growth) Certifications: ISO 9001:2000 Certificates DNV, ASTM, SEMI & M.I.L Standards