• ISO 3834 (WELDING QUALITY REQUIREMENTS),
  • EN 15085 (RAILWAY VEHICLE AND COMPONENTS),
  • EN 1090 (CE MARKING OF WELDED STRUCTURE),
  • AD 2000 – Merkblatt
  • PRESSURE VESSELS & PARTS (PED, U-STAMP) ETC.
  • EXTERNAL WELDING COORDINATOR SERVICES (IWE)