Coltan (tantalum)
Tantalum (ta), titanium (ti), niobium (nb), ncm black mass, lithium carbonate (li2co3)
Titanium powder, master alloy, tantalum and tantalum products, niobium and niobium products.
Coal, Iron, Tantalum, Coltan, Palladium.
Pure Or Alloy Of Tantalum And Niobium Products, Tantalum Ingot, Sheet, Target, Tube, Wire.
Jewelry, ore like tantalum, niobium, titanium, tungsten (wolfram), manganese ore
Tantalum and Niobium Ingots, Plates, Sheets, Strips, Rods, Wires, Tubes.