Bauxite.
Coltan.
Bauxite..
Tantalite, 38 % ta2o5.
Bauxite ore.
Coltan Ore.
Calcined Bauxite And Calcined Alumina Oxide Powder..
Coltan Ore.
Tantalite ore.
Tantalum Coltan..
Bauxite ore.
Tantalite or coltan.
Tantalite or coltan.
Bauxite.
Coltan.
Bauxite.
Aluminium bauxite, coal, copper ore, zinc ore, copper cathode, iron ore, manganese ore.
Metal scrap, rail used scrap, aluminum scrap, aluminum ingots, copper scrap, iron ore, copper ore, manganese ore, palladium core, cinnabar ore, thermal coal, lithium ore, and coke..
Ores, concentrates, cathodes, bars, anthracite coal, thermal coal, coke, iron ore, zinc, copper, oil, lng.Trading, transportation
Copper, iron ore .