More Superhard focuses on launching a new type of ceramic bond cubic boron nitride grinding disc, which is mainly used in automobile parts (powder metallurgy sprockets, stators, rotors), air-conditioning compressor parts (slides, partitions), bearings (sets) Ring, roller), ceramic (ceramic valve core, IT ceramic substrate, ceramic seal), hydraulic parts (stator, rotor, side plate, oil distribution pan), cemented carbide (blade, gasket), etc.