... 2000 certified,ERP system 4)Ten year experience Copper alloy investment castingMaterial and equipments: Material:various kinds of brass,bronze ... and other copper alloys,for example CuZn39Pb2,CuZn40,CuSn7ZnPb,CuAl10Fe3,C37700,C84400,C83600,C94300,C95500 ... parts of our main inspection facilities and machining equipments for copper alloy products.Pls pay attention to it.