现货CUNi18ZN23白铜带CN103镍白铜 NS106含铅镍白铜BM40-1.5 B25

铜丝CUNi18ZN23白铜带BMN3-13白铜 CuNi25 白铜棒BM40-1.5 B25白

CUNi18ZN23锌白铜C60600铜丝C7351 CuMn12Ni BAl6-1.5 CUNi12ZN25

CuNi13Zn23Pb1 CuNi18Zn19Pb1铜合金板 铜合金棒 可规格切 零切

CuNi13Zn23pb1 CuNi18Zn19pb1 CuNi10Zn42pb2铸造铜合金板

CUNi15ZN23白铜高纯度C7701 C7521 B10 B18 B19 B30锌白铜镍白铜

CuNi13Zn23Pb1铜合金管/铜棒铜板

CuNi12Zn24 CuNi18Zn20 CuNi10Zn25Pb1 CuNi13Zn23Pb1锡青铜棒 管

CuNi12Zn24铜排CuNi13Zn23Pb1铜棒CuNi18Zn20铜板CuNi18Zn19Pb

厂供白铜粉 铜镍合金粉 锌白铜粉CuNi18Zn18铜镍粉白铜粉高纯铜粉