... investment casting partsMaterial and equipmentsMaterial:various kinds of brass,bronze and other copper alloys,for example CuZn39Pb2,CuZn40,CuSn7ZnPb,CuAl10Fe3,C37700,C84400,C83600 ... tester,hardness tester,projector etc.Detail descriptionsmaterialCopper, brass, bronze, aluminum bronze, tin bronze, silicon bronze, manganese brassAnd other copper alloy Processing stepCasting, sand blast, CNC lathe ...