Historical US cobalt refiner with a Kokkola, Finland, refinery. Its own 2001 report names DRC Luiswishi cobalt feed and Big Hill slag feed; current corporate continuity is not asserted.
Sources support the description and the individual connections below. Publication and checking dates belong to the evidence: when it was published, and when this Hub last read it.
Reported means the cited source describes the relationship at its evidence date. Historical relationships refer to an earlier period. Announced agreements may not have been implemented. None of these labels confirms that trade continues today.
OM Group reported a long-term right-of-first-refusal contract for about 4,500 tonnes of cobalt per year from Luiswishi for its Kokkola refinery. This is a historical arrangement, not a current flow.
Luiswishi project ... long-term supply contract for approximately 4,500 metric tons of cobalt
concentrates from Luiswishi for its Kokkola refinery ... cobalt-copper alloy ... shipped to OMG's Kokkola refinery
USGS reports that cobalt-copper alloy from the Big Hill slag smelter operated by STL in Lubumbashi was shipped to OM Group's Kokkola refinery. This is a historical shipment, not a current link.
Luiswishi project ... long-term supply contract for approximately 4,500 metric tons of cobalt
concentrates from Luiswishi for its Kokkola refinery ... cobalt-copper alloy ... shipped to OMG's Kokkola refinery