Congo Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Malaysia was US$1.89 Million during 2021, according to the United Nations COMTRADE database on international trade. Congo Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Malaysia - data, historical chart and statistics - was last updated on May of 2024.