Turkey Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Sudan was US$22.5 Thousand during 2017, according to the United Nations COMTRADE database on international trade. Turkey Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Sudan - data, historical chart and statistics - was last updated on June of 2024.