Boliden Kokkola earns Zinc Mark, Copper Mark

Boliden’s Kokkola smelter in Finland has new certifications to pin to its board: receipt of the Zinc Mark and the Copper Mark from the Copper Mark organization. Kokkola, Europe’s second-largest zinc plant, is one of the first zinc smelters in the world to receive the Zinc Mark. “The Zinc Mark certificate proves that we are a world-class zinc smelter, and…

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