... -body gearbox 5)Driven by gear and belt Two Heads floor grinding machine and polishing machine JS-550 Market position:We, Brand ... for concrete, marble, stone, granite, terrazzo and epoxy floor surface, etc.18, Suitable pads: resin-bond diamond pad, metal-bond diamond pad ... , abrasive paper, sand paper, soft pad, etc. ( We offer diversified pads as well, please check our website for details)19, 1 ...