In February, Revenue published a tender award for a mobile x-ray cargo scanner that can detect illicit goods coming into the country. The awarded supplier was Nuctech Warsaw Company Limited, a branch of Chinese firm Nuctech, which manufactures the likes of x-ray scanners and metal and explosive detectors for airports, border crossings and ports. It runs a factory in Poland. Nuctech was once headed up by the son of former Chinese president Hu Jintao, while a state-owned entity, the China National Nuclear Corporation, holds a stake in it. A scanner such as the one purchased by Revenue is used by…