- athumani mineral expert tz
- copper ore,copper cathode,copper scrap,Tantalite,columbite.
- Address:No 32 merumbe street morogoro
- Bremont Metals Venture LLC
- copper cathode, copper ore, gold, columbite-tantalite..
- Address:Other, Tanzania
- Wamba Metals SPRL
- gold(nuggets and bars), copper(ore and cathode) , rough diamonds and coltan (columbite tantalite).
- Address:Victoria, DSM, kinondoni, Tanzania
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