Certificados da Deutsche Edelstahlwerk
Quality Management System - DIN EN ISO 9001
Quality Management System - ISO/TS 16949 – Witten
Quality Management System - ISO/TS 16949 – Siegen
Quality Management System - ISO/TS 16949 – Krefeld
Quality Management System - ISO/TS 16949 – Hagen
Quality Management System - ISO 9001:2008, AS9100 Revision C
Quality Management System - DIN EN ISO 13485 – Krefeld
Environmental Management System - ISO 14001
Energy Management System - ISO 50001
Erneuerbare Energien Gesetz (EEG 2009): §41 Abs. 1 i. V. m. Abs. 2