GRINDING OUR WORKS Crystal Optics Inc Optical field space and automobile Glass free form / aspheric / elliptical / cylindrical Metal free form surface mold / bar mirror SURFACE GRINDING Super Precision Forming Surface Grinder Model SGC 408S4 N3 Nagase Integrex Table size 4000×800mm Features CNC Double Column Type Surface Grinding Machine Model KSL F25(Sumitomo Heavy Industries Finetech) Table size