BRUSSELS—The European Union is set to impose duties on aluminium from China in October, only to suspend them for nine months, the EU industry association said on Wednesday, adding that this would threaten jobs and send the wrong signal to Beijing. The European Commission launched an investigation into aluminium flat-rolled products, which are used in a variety of sectors, from construction to transport and consumer durables, in August 2020 and set provisional duties of between 19.3 percent and 46.7 percent in April 2021. Definitive duties, likely to be between 14 percent and 25 percent, would normally apply from October for five years. However, after complaints from two aluminium users and an importer, they are set to be suspended for nine months, European Aluminium said. The Commission said its investigation was still ongoing, with definitive measures, if any, needing to be imposed by Oct 11. It added that it had received a …