Coltan.
Gemstones, manganese ore, tantalite.
Mining Material, Food.
Coal, crude oil, iron ore.
Coltan, thermal coal, copper ore, and tin.Distribution
Barite, kaolin .
Coal, iron, tantalum, coltan, palladium..Clearing agent, transport, export
Iron Ore..
Manganese ore.
Minerals, foods, urea .
Mineral powder, coal, mineral, coke and metallurgical, phosphoric rock, among others..
Minerals, metals and speciality coffee..Connect sellers with buyers o buyers with sellers
Tantalite.
Coltan.
Coltan concentrate.
Coltan.Exporting
Coltan, carbon type B.
Minerales.
Coltan, tantalium.
Coltan and titanium.