QUALITY


UNI EN ISO 9001:2008


The following processes are covered by the company's ISO 9001:2008 certified Quality Management System:
- design
- manufacturing
- assembly
of medium and heavy metal structural components.


EN 1090-1:2009 + A1:2011


Certificate of conformity of the factory production control


UNI EN ISO 3834 - 2:2006 CERTIFICATION


At Lietti srl our UNI EN ISO 3834-2 certified welding processes are carried out and supervised by in-house personnel.


SOA OS 18 - CLASS V CERTIFICATION


Certificate of qualification to execute public works


Processing centre n. 917/10


In-house design, manufacture and assembly of steel or metal structural components; ​​design, manufacture and installation of components for curtain walls


LEED CERTIFICATION


Lietti s.r.l. programs its manufacturing processes in order to ensure that its products, especially factory buildings and warehouses, meet the LEED certification requirements for sustainability oriented constructions, designed to guarantee reduced energy and water consumption and low CO2 emissions and with an onus on the ecological quality of the interiors, the materials and resources used, and the choice of site.