Imports In 2007, Mongolia imported $11.4k in Niobium, Tantalum, Vanadium and Zirconium Ore, becoming the 0th largest importer of Niobium, Tantalum, Vanadium and Zirconium Ore in the world. At the same year, Niobium, Tantalum, Vanadium and Zirconium Ore was the 0th most imported product in Mongolia. Mongolia imports Niobium, Tantalum, Vanadium and Zirconium Ore primarily from: N/A.