... rough and fine grinding and polishing with the polishing pads , the floor surface will show a mirror effect4.Easy ... ? Why?1.Professional ManufacturerWe are professional in producing polishing pads, cutting blade, core drill bits and stone processing machinery ... biggestmetal Diamond tools manufacturer in Fujian Province.2.Main productsPolishing Pads,Cutting Blade, Core Drill Bits, Diamond Cup wheel, ...