... stable quality, long service life, high efficiency, surface polishing, green nontoxic don't rub off; Widely used ... hand grinding machine, the ground refurbished machine, ceramic polishing machine use.This product grinding sharp, good abrasion ... polishing of granite and hard marble in automachine floor pad RESIN EDGE POLISHING WHEEL POLISHING PAD FOR FLOOR WET DIAMOND POLISHING PAD--floor polishing ...