Diamond Resin Pads for Floor 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 Polishing Pads for Concrete Grinding 4 Inch Next：Diamond Polishing Disc for Mable Grinding 4 Inch
