... alloy investment casting partsMaterial and equipmentsMaterial:various kinds of brass,bronze and other copper alloys,for example ... CuZn39Pb2,CuZn40,CuSn7ZnPb,CuAl10Fe3,C37700,C84400,C83600,C94300,C95500,CuSn12Ni2,HPb59-1,HPb58-3 and ... aluminum bronze, tin bronze, silicon bronze, manganese brassAnd other copper alloy Processing stepCasting, sand blast, CNC lathe works ...