... quality 3,Large gear grinder 4,for concrete,terrazzo,epoxy marble floor polishing machine is a perfect choice for grinding ... concrete floor, and stone renew and crystallization.marble floor polishing machine HWG 78 has planet disc plates, counter ... diamond metal, resin bond;2,Remove painting, coating, epoxy, urethane, glue, polyurethane,mastic with PCD tools.3,Pre-treat and level ...