Rwanda Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from China was US$2.22 Thousand during 2019, according to the United Nations COMTRADE database on international trade. Rwanda Imports of niobium, tantalum, vanadium or zirconium ores and concentrates from China - data, historical chart and statistics - was last updated on May of 2024.