Diamond Polishing Disc for Mable 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：Diamond Resin Pads for Floor Grinding 4 Inch Next：Ehwa Diamond & CBN Grinding Wheel Carbide Truing Tools
