Poland Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Hungary was US$7.42 Thousand during 2023, according to the United Nations COMTRADE database on international trade. Poland Exports of niobium, tantalum, vanadium or zirconium ores and concentrates to Hungary - data, historical chart and statistics - was last updated on May of 2024.