The properties of aluminum - lightness, resistance, recyclability, conductivity, ductility, malleability - make it the material of innovation par excellence. Historical industrial sector in France since the discovery of metal (1821), it is still represented there today by all the links in its value chain (alumina, primary aluminum, transformation, recycling). It currently finds in France an ecosystem favorable to R&D, combining quality scientific and technical resources with attractive financial support. Dynamic and at the cutting edge of technology, the sector has also seen the production of aluminum grow since 2010.