Switzerland Exports of potroleum resins, coumarone-indene resins, polyterpenes, polysulfides to Iran was US$4 during 2022, according to the United Nations COMTRADE database on international trade. Switzerland Exports of potroleum resins, coumarone-indene resins, polyterpenes, polysulfides to Iran - data, historical chart and statistics - was last updated on June of 2024.