World''s Biggest Cobalt Producers The Balance
Nov 20, 2019· A large smelter and refiner of copper, nickel, and gold, SMM has a % stake in the Ambatovy Nickel Project in Madagascar, along with Sherritt International and Korea Resources Corp. The company''s Niihama Nickel Refinery refines electrolytic nickel and cobalt in Japan. It''s 2014 production increased over 25% from the year prior to 3,654MT.