Certificate confirming fitness for work‑welding of rail materials / track components as welding to DB AG RiLi (826.1021).
Certificate of qualification for welding of steel structures according to DIN 18800-7.
Certificate for welding of rail vehicles and vehicle parts in accordance with DIN EN 15085-2.
Certificate for the detection of welding quality requirements of DIN EN ISO 3834-2.
Certificate to the supplier rating for the product‑ range "forming materials for turnouts and track components, ribbed plates" of the Deutsche Bahn AG: DB Q1-Lieferant
Manufacturer‑specific product qualification to manufacture products for the superstructure: DB HPQ