Imports In 2022, Bhutan imported $138 in Machinery & apparatus for isotopic separation & parts, becoming the 107th largest importer of Machinery & apparatus for isotopic separation & parts in the world. At the same year, Machinery & apparatus for isotopic separation & parts was the 3099th most imported product in Bhutan. Bhutan imports Machinery & apparatus for isotopic separation & parts primarily from: India ($138).