... , and new floor applying, etc.2. On floor surfaces covering concrete, epoxy, stone, marble, granite, terrazzo, etc.3. Under condition ... wet.4. Fit kinds of tools covering resin bond diamond pad, metal bond diamond pad, PCD blade, Frankfurt, sandpaper, etc. Product ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); JS-550 dual-head concrete floor polishing machine