El Salvador Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from South Korea was US$76 during 2017, according to the United Nations COMTRADE database on international trade. El Salvador Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from South Korea - data, historical chart and statistics - was last updated on May of 2024.