Imports In 2020, Brunei imported $890 in Niobium, tantalum and vanadium ores and concentrates, becoming the 0th largest importer of Niobium, tantalum and vanadium ores and concentrates in the world. At the same year, Niobium, tantalum and vanadium ores and concentrates was the 0th most imported product in Brunei. Brunei imports Niobium, tantalum and vanadium ores and concentrates primarily from: N/A.