Certifications We believe in the value of continuously updating our skills and work tools. Design and manufacturing of pressure vessels (PED) in steel and production of aluminum alloy components for the railway sector. UNI EN ISO 3834-3:2006 – Bureau Veritas Italia S.p.A. Welding at CL 2 level for aluminum alloy components for the railway sector. EN15085-2 – Bureau Veritas Italia S.p.A.