... steel,Cast Iron(grey iron casting,ductile iron casting),Cast aluminium,Stainless steel. 3) Machining Facilities:CNC centers,NC Lathes ... or cast steel,Steel(bar,plate or sheet),Alloy steel,Stainless steel,Aluminium alloy,Copper alloy etc.2.The sorts of the machining ... gear;Sprocket,Motorcycle sprocket;Flywheel;Shaft;Rope Socket;Copper alloy bushing,Lubrication/Oil fitting;Brake Disc/Drum/Hub;Flange, ...