polish machine 1,for concrete,terrazzo 2,industrial surface ground 3,electric heavy duty 4,aluminum wheel polish machine ... Ideal for:1, Pre-treat and level the concrete surface before epoxy coating;2, Grinding and polishing concrete, marble, granite, terrazzo;3, for coarse ... *600mm The rotation way of HWG 59:The diamond tools to be chosen:The effect of grinding and polishing:.... HWG 59 concrete polish ...