1.floor grinding and polishing machine 2.suitable for marble,granite,concrete,terrazzo floor 3.strong power 4.floor grinder 1.floor grinding and polishing machine2.suitable for marble,granite,concrete,terrazzo floor3.strong power 4.floor grinder .Concrete grinder with 18pads 2.Direct manufacturers 3.highest quality and best price 4.good after-sales sevices 5.CEMultifunctional floor grinding ...