The purchase and sale of all machines and technical installations, in particular those used for the production of plastic films, the implementation of operating procedures, assistance and know-how in the analysis and resolution of issues related to the production of cast plastic films (cast film) of monolayer (mono-extruded) and multilayer (co-extruded) type, the supervision and training of operating personnel working on these machines, as well as the study of the promotion of finished products from this industry (cf. statutes for complete purpose).