Gécamines subsidiary at Lubumbashi that treats polymetallic slag from the Big Hill tailings, carrying copper, cobalt, zinc and germanium. Gécamines has held all of it since 2018, as its 2024 management report states and as ITIE-RDC's 2023 report and USGS's 2022 yearbook also record; USGS gives its plant a capacity of 5,500 tonnes of cobalt a year. Its plant carries the Responsible Minerals Initiative facility ID CID003266, under which Samsung Electronics lists it as conformant (2024) and Fairphone as audit passed (data year 2023); Microsoft's 2021 cobalt list also names it.
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.
Gécamines has held all of STL since 2018, as its 2024 management report states; ITIE-RDC's 2023 report and USGS's 2022 yearbook give the same 100%.
1.439 tonnes du cuivre et 9,6 tonnes de cobalt de MIKAS
la participation de l'Etat congolais dans la SICOMINES à travers la GECAMINES reste inchangée (32%)
Ruashi Mining SPRL (Jinchuan Group International Resources Co. Ltd., 75%) Ruashi Mine near Lubumbashi 38,000 copper; 5,000 cobalt
Listed as STL, audit passed in Annex 2 of Fairphone's 2024 supply-chain report (data year 2023). The list is Fairphone's own disclosure; direct purchasing, volumes and mine origin unspecified.
CID003264 Chemaf Etoile CONGO, DEMOCRATIC REPUBLIC OF THE Audit Passed
Named as Societe pour le Traitment du Terril de Lubumbashi (STL) on Microsoft Devices' cobalt smelter and refiner list as of 31 December 2021; Microsoft states it has no direct transactions or contractual relationship with the listed facilities. The list is Microsoft's own disclosure; direct purchasing, volumes and mine origin unspecified.
Microsoft conducts no direct transactions and has no contractual relationship with these smelter or refiners nor their sources of ore.
Listed as STL (CID003266), conformant, in the cobalt smelter list of Samsung Electronics' 2024 Responsible Minerals Report (data year 2023). The list is Samsung Electronics' own disclosure; direct purchasing, volumes and mine origin unspecified.
CID003264 Chemaf Etoile Congo, Democratic Republic of the Conformant