Over the last few years, Leoncini Co. has become specialised as well in the boiler making sector, and particularly in the production of stainless steel and carbon steel pressure vessels of large thickness. Thanks to this, Leoncini Co. has completed several investments in new production equipment, and has qualified all the necessary welding procedures, according to the UNI and ASME code standards, so availing of highly qualified personnel in this field. Leoncini Co. produces pressure vessels, used in various sectors of the oil & gas industry and for the revamping of power boilers.