Subcontracting, mechanical items and metal working : Thermi-Lyon Group is one of the leading commercial treaters in France since 1960. It includes severals heat treatments plants and coatings centers to serve the aeronautical industry and the mechanical industry. Thermi-Platin has developped a large vaccum coating range. Thermi-Lyon Group has acquired an unrivalled reputation based on a well-known expertise in all types of metal heat treatments. Certified ISO9001v2000, AS/EN/JISQ 9100, AECMA-PRO