Since 1970 it has developed its activity also in the plant engineering sector related to the control of gaseous and dusty pollutants by organizing its own structure (gas cleaning division) for the design, construction and installation of equipment, such as dry filters, cyclones, washers, cleaning and pneumatic transport, proposing technologically advanced solutions, realized on the basis of its own projects or the result of collaboration with the main foreign companies of the sector, reaching a pre-eminent position also in this field.