Hot Dry / Wet Concrete Polishing Pad / Dimaond Tool Dongguan Merrock Industry Co., Ltd. Base Info Model NO.：MRK-jinzhuanShape：CircleBonding Agent：ResinTrademark：MRKTransport Package：CartonSpecification：4 inchOrigin：China Description Pre：High Quality Diamond Grinding Disc 3 Segments Metal Grinding Disk Next：Dry and Wet Concrete Floor Polishing Pad Tool
