Item:Brozne die casting Material:Bronze,Copper,Brass Weight:0.1kg-50kg Casting and Machining workcraft 2 years warranty,OEM The product showed are Bronze casting:1.process: Sand casting+CNC machining +surface treatment 2.Material: Bronze, Copper,Brass3.weight:around 0.01kg-10kg4.Material available:Stainless steel, cast steel, carbon steel, ductile iron, grey iron, alloy steel, aluminium, copper, ...