Aug 02, 2017· Later on with the discovery of high grade Sangaredi sedimentary bauxite basin, CBG (Compagnie des Bauxites de Guinea) started bauxite export operation in early seventies. Presently there are two more bauxite mining companies one of them is CBK (Compagnie des Bauxites de Kindia), RUSAL and latest one is SMB (Société minière de Boké) started ...
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