PCD Cup Wheel Grinding Tools 1. Pcd tools grinding cup wheel 2. Used for derusting and grinding mental. PCD Cup Wheel Grinding Tools1. Pcd tools grinding cup wheel2. Used for derusting and grinding mental.Huzhou Gu's Imp. & Exp. Co., Ltd. is specialized in researching, designing and manufacturing various type of diamond tools. Our cutting, grinding/polishing and coring tools are engineered in a ...