In order to meet our customers’ technical needs J&J Steel has an approved EN 1090 – 2 EXC3 and EN 1090-3 EXC3. Our welding is according to EN ISO 3834-2 . We also do our own inspections VT,PT,MT. We outsurce to other external company NDT as X-ray and UT  . The certification is done by TÜV Rheinland. For specific certifications please see below.