We are certified
As a leading distributor, processor and service provider of steel and aluminium in Europe, quality is more than just a company principle to us. Our customers can rely on our products and services. The certifications that we have received, including those in accordance with the highest standards, such as automotive industry certifications. Please review our location certificates in the following tables.
Certification by location
| Headquarters | ISO 9001 | IATF 16949 | ISO 45001 | ISO 14001 | ISO 50001 |
|---|---|---|---|---|---|
| Knauf Interfer SE | x | x |
| Steel | ISO 9001 | IATF 16949 | ISO 45001 | ISO 14001 | ISO 50001 |
|---|---|---|---|---|---|
| Knauf Interfer Stahl Service Center GmbH | |||||
| Delta Stahl Plant | x | x | x | x | |
| Industrial Premises of Delta Stahl Plant, Hoym | x | ||||
| Frankfurt a. M. Plant | x | x | |||
| Max Baum Plant | x | x | |||
| Nürtingen Plant | x | x | |||
| Völkel & Winkler Plant | x | x | |||
| Walter Patz Plant I | x | x | x | ||
| Walter Patz Plant II | x | ||||
| Further locations | |||||
| Knauf Interfer Cold Rolling GmbH | x | x | x | x | x |
| Knauf Interfer Automotive Blanks GmbH | x | ||||
| Knauf Interfer Benelux | x | ||||
| Aluminium | ISO 9001 | IATF 16949 | ISO 45001 | ISO 14001 | ISO 50001 |
|---|---|---|---|---|---|
| F. W. Brökelmann Aluminium, Ense Plant | x | x | x | x | x |
| F. W. Brökelmann Aluminium, Werl I Plant | x | x | x | x | |
| F. W. Brökelmann Aluminium, Werl II Plant | x | ||||
| Brökelmann Aluminium Polska, Opole Plant | x | x | x | x |