Copper Cathodes, Coltan, Woods Logs
Coal, Iron, Tantalum, Coltan, Palladium.
Coltan and the precious stones.
Crude oil and derivatives, coltan
Copper wire rods,tantalite, koltan, minerals
Cobalt and coltan
Coltan, barite, ores and organic fertilizers
Mineral And Ores Like Tin Ore, Tantalite (Coltan), Copper Ore.
Coal, iron, tantalum, coltan, palladium.
Minerals Like Tin Ore, Bauxite Kimberlitic, Galena, Barites
Carbon, iron, lead, copper, manganese, aluminum, scrap, coltan
Copper, cobalt, tantalite, diamonds, iron ore
Hot washed PET flakes, chrome ore, beryl ore, tantalite ore
Copper ore, columbite, chrome
Coltan tantalite ore, nickel ore, copper ore
Lithium ore, spodumene, kunzite, kaolin, tourmaline, aquamarine, charcoal and coconut shell, feldspar, amethyst, tantalite, mica, beirut and quartz
Tantalite ore, cassiterite ore, wolframite ore, lithium ore, manganese ore, beryl ore.
Coltan, barite, other ores and organic fertilizers
Manganese ore, chrome ore, cobalt, coltan, copper
Zinc concentrates, other ores, coltan tantalite ore and fruit concentrates