Abrasive Polishing Pads for Concrete Grinding 4 Inch Dongguan Merrock Industry Co., Ltd. Base Info Manufacturing Process：Hot PressShape：CircleBonding Agent：ResinTrademark：MRKTransport Package：CartonSpecification：3 inchOrigin：China Description Pre：Abrasive Pad Diamond Polishing Disc for Epoxy Floor Next：Diamond Resin Pads for Floor Grinding 4 Inch
