- Cameroon Metals S.A
- Iron ore,tantalite ore,columbite ore,copper ore,tin ore,chrome ore.
- Address:# 5 Horizon street, Bonaberi
- Josong Mineral Exports
- Coltan, Columbite Tantalite, Columbite, Tantalite.
- Address:Boulevard De La Liberte 414 Akwa, Douala Douala Littoral Cameroon
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