1.high density 2.good abrasion resistance&hardness 3.high precision 4.good strength 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 precision,100%quality with ...