Welcome to Kht - Manufacturer of diamond tools for granite, marble and concrete floor restoration. We carry Metal Bond Diamond Floor Grinding Discs, Resin Concrete Floor Diamond Polishing Pads, PCDs and Bush Hammers, Grinding Cup Wheels, Quick change adapters and More.It has a 1,200 square meter production plant and 13 years of diamond tool production experience. The products are mainly used for concrete floors and epoxy floor polishing and renovation. Professional design and production team can customize according .We Provide High Quality Diamond Tools For Your Project.