Singapore Exports of potroleum resins, coumarone-indene resins, polyterpenes, polysulfides to Iran was US$425 during 2018, according to the United Nations COMTRADE database on international trade. Singapore Exports of potroleum resins, coumarone-indene resins, polyterpenes, polysulfides to Iran - data, historical chart and statistics - was last updated on May of 2024.