铜镍合金CuNi9Sn2(2.0875)白铜
CuNi9Sn2(2.0875)CuNi10Fe1Mn(CuNi10FeMn)(2.0872)CuNi25(2.0830)CuNi30Mn1Fe(CuNi30Fe)(2.0882))
东莞市合圣模具钢材经营部
业务 QQ: 492543189