AD Tubi Inossidabili SpA is regularly certified by TÜV according to the standard ISO 9001:2008 on the overall management of the working processes.

We also have various product certificates which allow us to offer a high quality for the most specific needs, like being qualified suppliers AD 2000 Merkblatt W0 (ADW2) by TÜV Nord, the European Directive 97/23/EC (PED), the Lloyd's trademark and the American ASME.