The electrolytic copperrefinery in Huelva, Spain began operations in 1970, and since 1995, has operated using ISA permanent cathode technology.
西班牙韦尔瓦精炼厂1970年开始生产，1995年采用了艾萨永久阴极铜技术。
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Particularly suitable for the joining and overlay welding of copper nickel such as machinery, desalting of seawater, ship-building, oil refinery, and food processing industries.