Portugal Imports from Norway of Aldehydes, Cyclic Polymers of Aldehydes, Paraformaldehyde was US$846 during 2019, according to the United Nations COMTRADE database on international trade. Portugal Imports from Norway of Aldehydes, Cyclic Polymers of Aldehydes, Paraformaldehyde - data, historical chart and statistics - was last updated on May of 2024.