1.Heat treament:carburizing and quenching 2.Genuine spare parts 3.Reasonable price 4.Short delivery time 1.ningbo beiduo metallurgical equipment factory is a professional powder metallurgy manufacturer.2.process:mixing--compacting--sintering--resizing--cleaning--vacuum oiling--packing3.material:steel,copper,steel copper,bronze,alloy.4.produce equipment:200T,100T,60T,25T,15T,10T,6T,3T.5.high ...