Iran Imports from Switzerland of Sulphur, Sublimed or Precipitated; Colloidal Sulphur was US$24.6 Thousand during 2015, according to the United Nations COMTRADE database on international trade. Iran Imports from Switzerland of Sulphur, Sublimed or Precipitated; Colloidal Sulphur - data, historical chart and statistics - was last updated on May of 2024.