Tungsten Nickel Iron rod tungsten heavy alloy bar rod WNIFe WNICu high purity polishing surface for industry ASTM B760 alloy forMetallizing, Electron-beam Spraying, sinteting or heating
Tungsten Nickel Iron rod tungsten heavy alloy bar rod WNIFe WNICU permukaan polishing purity tinggi pikeun industri ASTM B760 alloy pikeun Metallizing, Éléktron-beam nyemprot, sinteting atawa pemanasan