ZCuAl18Mn13Fe3Ni2环保铜合金板材带材棒材
C36600 C36700 ..
ZCuPb20Sn5 ZCu..
HAl67-2.5 HAl6..
ZCuSn10Pb1 ZCu..
ZCuAl18Mn13Fe..
猛黄铜HMn62-3-3-7..