... castingMaterial and equipments: Material:various kinds of brass,bronze and other copper alloys,for example CuZn39Pb2,CuZn40, ... of years, such as sewing machines parts, trains, valve parts and so on.We have the ability to ... price and high quality.Detail descriptionsmaterialCopper, brass, bronze, aluminum bronze, tin bronze, silicon bronze, manganese brassAnd other copper alloy Processing stepCasting, ...