Imports In 1998, Hong Kong imported $12.4k in Refined sulphur, not sublimate, precipitate, colloida, becoming the 0th largest importer of Refined sulphur, not sublimate, precipitate, colloida in the world. At the same year, Refined sulphur, not sublimate, precipitate, colloida was the 0th most imported product in Hong Kong. Hong Kong imports Refined sulphur, not sublimate, precipitate, colloida primarily from: N/A.