Boliden AB engages in the exploration, mining, smelting, and recycling of metals. It operates through the Business Area Smelters and Business Area Mines segments. The Business Area Smelters segment consists of Kokkola and Odda zinc smelters, the Ronnskar and Harjavalta copper smelters, and the Bergsoe lead smelter; and is involved in trade of smelters' products. The Business Area Mines includes activities in Aitik, the Boliden Area and Garpenberg, and Tara mines; and sale of mined concentrates. The company was founded in 1931 ad is headquartered in Stockholm, Sweden.