... thanks to the premium raw material it has.Applications:1,A concrete grinder for sale is for grinding and polishing on ... marble,granite,terrazzo,etc.2,A concrete grinder for sale is for old floor removal,restoration,renovation,as well.3 ... grinder for sale can be customizedProject using JS concrete grinder for sale ( PetroChina project)Before grinding and polishing:JS concrete grinder for sale for sale ...