深圳市龙兴硬质合金有限公司

ZCuAl9Mn2铜合金ZCuAl9Fe4NiMn2铜合金 ZCuAl11Fe3铜合金 ZCuAl10Fe3Mn2铜合金 ZCuZn38

ZCuZn25Al6Fe3Mn3 ZCuZn26Al4Fe3Mn3 ZCuZn31Al2 ZCuZn35Al2Mn2Fel ZCuZn38Mn2Pb2

ZCuZn40Mn2 ZCuZn40Mn3Fel ZCuZn33Pb2 ZCuZn40Pb2 ZCuZn16Si4