Imports In 2022, Bhutan imported $8.6k in Nitric acid, sulphonitric acids, becoming the 158th largest importer of Nitric acid, sulphonitric acids in the world. At the same year, Nitric acid, sulphonitric acids was the 1930th most imported product in Bhutan. Bhutan imports Nitric acid, sulphonitric acids primarily from: India ($8.6k).