STL srl operates in a quality Management System that ensures the achievement of the primary objective: to guarantee continued customer satisfaction over time.

Furthermore, STL srl is also certified:UNI EN 1090-1, a harmonised standard that provides for the requirements for EC marking, according to European Regulation no. 305/2011 (CPR, Construction Products Regulation). STL Srl is certified up to EXC2 and for all marking methods.UNI EN ISO 3834 part. 2. Certification according to the 3834 regulation concerning welding processes for structural carpentry elements for civil and industrial use.

A reliable partner for superior results

Large companies entrust their projects to STL Srl because they know they can rely on a flexible partner, capable of providing A-to-Z solutions in an accurate, timely and highly qualified fashion. Choosing Stl Srl means choosing a service centre where skill and excellence merge to achieve results of the highest level.