Frontier
Boss Mining; Chambishi Metals; Comide; Frontier Mine; ... (South Africa) (Pty) Ltd 1 Sturdee Avenue Lower Building Rosebank Johannesburg 2196 Tel: +27 11 552 4300 ... 238 Route Likasi Commune Annexe Province Haut Katanga Lubumbashi Democratic Republic of the Congo. Mauritius. Africa Technical Services Ltd/ ERG Treasury Africa Ltd Level …