Certificates

We are certified

As a leading distributor, processor and service provider of aluminium and steel in Europe, quality is more than just a company principle to us. Our customers can rely on our products and services. This is also confirmed by the certifications according to the highest requirements, for example of the automotive industry. See for yourself and take a look at the certificates of our locations in the following table.

DE | Duisburg |
Knauf Interfer Automotive Blanks GmbH

Kiffward 34
47138 Duisburg
Germany

The specialist for form shaped blanks
 

Product range:

  • Stamping of shaped blanks
  • Plates
  • Trapezes
  • Parallelograms
  • Order production with provided tools

Blank cutting system:

  • High performance press of up to 2,500 x 5,100 mm
  • Tools up to 1,250 mm height

Our company has fulfilled the TISAX® requirements.
TISAX® is a registered trademark of the ENX Association. Our assessment results can only be accessed via the ENX portal.

Our certificates are available for download here:

ISO 9001IATF 16949ISO 16247-1

Your contact:

Plant Management
Thomas Gramann
+49 203 4519-453

Managing Directors
Domenico Marino
Fabian Messler
Thomas Niederhofer

We have been awarded the following EcoVadis and CDP ratings for our commitment to sustainability.

Knauf Interfer Cold Rolling GmbH 

Siegel für das Nachhaltigkeitsrating EcoVadis in Bronze im April 2025 für die Knauf Interfer Cold Rolling GmbH.  CDP-Badge mit Note B in der Kategorie Klima für das Jahr 2025

Knauf Interfer Galvanising GmbH & Co. KG

Knauf Interfer Stahl Service Center GmbH

Knauf Interfer Aluminium GmbH

Knauf Interfer Galvano GmbH & Co. KG

Siegel für das Nachhaltigkeitsrating EcoVadis in Silber im Januar 2026 der Knauf Interfer Galvano GmbH & Co KG.

Contact

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We are looking forward to
your enquiry.