... marble floor polishing machine 1,big power 2,Low cost high quality 3,Large gear grinder 4,for concrete,terrazzo,epoxy marble floor polishing machine is a ... grinding concrete floor, and stone renew and crystallization.marble floor polishing machine HWG 78 has planet disc plates, counter rotate, grind ... tools to be chosen:The effect of grinding and polishing:.... HWG 78 marble floor polishing machine