Certyficates

PN-EN 1090-1 + A1: 2012 – Production of steel and aluminum structures,
PN-EN 
15085-2: 2007 – Railway – Welding of rail vehicles and their components,
PN-EN ISO 3834-2: 2007 and EN ISO 3834- 2: 2005 – Quality requirements for welding metal materials.
Qualifications:
– manufacturing of steel bridge structures,
– renovation and assembly of steel bridge structures (i.e. viaducts, footbridges, steel bridges).