Imports In 2014, North Korea imported $7.88k in Hydrogenated, sulphonated, nitrated aldehydes, becoming the 0th largest importer of Hydrogenated, sulphonated, nitrated aldehydes in the world. At the same year, Hydrogenated, sulphonated, nitrated aldehydes was the 0th most imported product in North Korea. North Korea imports Hydrogenated, sulphonated, nitrated aldehydes primarily from: N/A.