Sri Lanka Imports from Canada of Thermionic, Cold Cathode or Photo-cathode Valves and Tubes was US$2.63 Thousand during 2011, according to the United Nations COMTRADE database on international trade. Sri Lanka Imports from Canada of Thermionic, Cold Cathode or Photo-cathode Valves and Tubes - data, historical chart and statistics - was last updated on May of 2024.