Imports In 2019, Saint Vincent and the Grenadines imported $163 in Manganese oxides other than manganese dioxide, becoming the 0th largest importer of Manganese oxides other than manganese dioxide in the world. At the same year, Manganese oxides other than manganese dioxide was the 0th most imported product in Saint Vincent and the Grenadines. Saint Vincent and the Grenadines imports Manganese oxides other than manganese dioxide primarily from: N/A.