Zambia Imports from Portugal of Thermionic, Cold Cathode or Photo-cathode Valves and Tubes was US$13.98 Thousand during 2016, according to the United Nations COMTRADE database on international trade. Zambia Imports from Portugal of Thermionic, Cold Cathode or Photo-cathode Valves and Tubes - data, historical chart and statistics - was last updated on June of 2024.