Cathode-koper is in soarte fan net-ferro-metaal dat nau besibbe is oan minsken. Wiid bestege yn elektryske krêft, ljochte yndustry, masinespakânsje, konstruksje-yndustry, nasjonale decense-yndustry en oare fjilden. Wurdt brûkt foar wend ferset fan ferskate kabels, draden, motors, transformators, wikselet, skakelt, printe sirkwysjes. Manufacturing industrial valves and accessories, instrumentation, sliding bearings, molds, heat exchangers and pumps.Also makes vacuum, distillation tank, brewing tank and so on.It is also used in the defense industry to make bullets, shells, gun parts, etc.