World''s Biggest Cobalt Producers
Nov 20, 2019· Cobalt refineries listed by country for 2018. Chambishi Metals PLC is a Zambian copper and cobalt producer operated by ENRC Group. The company''s mining, tolling (contract processing), and refining operations are all located within Zambia, while sales and marketing are handled by Dubaibased Comit Resources FZE.