4 Inch Diamond Metal Blades for Floor Grinding Zhejiang Jinghua Glass Co., Ltd. Base Info Manufacturing Process：Cold PressShape：CircleBonding Agent：MetalTrademark：MRKTransport Package：CartonSpecification：4 inchOrigin：China Description Pre：4" Diamond Resin Pads for Dry Polishing Next：10cm Diamond Polishing Tools for Floor Grinding
