... PCD Cup Wheel Grinding Tools Used for derusting and grinding metal. Huzhou Gu's Imp. & Exp. Co., Ltd. is specialized in researching ... Blades, Cold Pressed Sintered Diamond Saw Blades, Core Drill Bits, Cup Wheels, crack chaser and tuck point blade, Router Bits & ... Polishing Pads, Silicon Carbide Wheels, TCT Saw Blades, etc. In over ten groups. Specially designed tools are available for virtually ...