4" Diamond Polishing Pads for Floor Polisher Zhejiang Jinghua Glass Co., Ltd. Base Info Manufacturing Process:Hot PressShape:CircleBonding Agent:ResinTrademark:MRKTransport Package:CartonSpecification:4 inchOrigin:China Description Pre:Resin Bond Diamond Grinding Wheel for Thermal Spraying Coating Next:4" Diamond Polishing Tool for Wet Grinding