... ,for concrete,terrazzo grinding and polishing machine for granite is not only grinding and polishing concrete, marble,granite, terrazzo, but also for repairing, grinding, polishing, crystallizing millstones.grinding and polishing machine for granite ... Area 780mm Disc Diameter 250mm*3 Disc Drive Gear drive type Water Tank 30L Noise 65DB Packing 1100*900*1300mmThe rotation ...