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Certifications

Quality management

Our products are used in areas that require maximum safety. Their quality must therefore be excellent, traceable and guaranteed in the long run. We comply with these requirements by undergoing certification audits in the field of quality management.

ISO 9001 : 2008
certificate of ISO 9001 : 2015
IATF 16949 : 2009
certificate IATF 16949 : 2016

Environmental management

We are aware of the responsibility towards our environment and the resulting obligations and contribute our share to sustain the world we live in.  We will, of course, comply with all relevant laws, standards and regulations.

We continue to set new targets for the sustainable improvement of the environmental compatibility of our products and production processes. We focus on achieving these goals and therefore apply an environmental management system according to ISO 14001.

Since July 2015 GEWES also holds the certificate according to ISO 50001 for energy management systems. Thus we are committed to continuously work on the reduction of our energy demand.

ISO 14001 : 2015
environmental managment certificate acc. ISO 14001
ISO 50001 : 2018
energy management certificate acc. ISO 50001

Special maritime approvals and type approvals

Maximum fail safety is particularly important for drives in maritime applications. GEWES drive shafts and power trains have proved invaluable in this area, which is confirmed by special approvals and type approvals issued by leading classification associations.

  • American Bureau of Shipping
  • Bureau Veritas
  • China Classification Society
  • Class NK
  • CR Classification Society
  • Croation Register of Shipping
  • DNV GL
  • Indian Register of Shipping
  • Korean Register
  • Lloyd's Register
  • Polish Register of Shipping
  • Russian Maritime Register of Shipping
  • Türk Loydu

Welding Certificates

We regard the certification of our welding process as a prerequisite for providing high-quality products.

DIN EN 15085 – 2
welding certificate DIN 15085 - 2
DIN EN ISO 3834 - 2
welding certificate ISO 3834 - 2
Welding Certificate of DNV GL
DNV GL welding certificate

Supplier of Railways

High-speed GEWES drive shafts are used in rail applications. Reliability and individual cooperation result in good evaluations by our customers.

DB – Q1 Status
Certificate of Deutsche Bahn as Quality supplier
CRRC - Approval
Chinese Railway Certified Supplier

GOST TR

GOST TR certificates can be provided for our cardan shafts

GOST TR
Gost TR - russian Certificate

Audits by leading companies

Gelenkwellenwerk Stadtilm GmbH was successfully audited by several companies including the following:

  • Adam Opel AG
  • Bosch-Rexroth
  • Daimler AG
  • Deutsche Bahn AG
  • John Deere Werke Mannheim
  • Kawasaki
  • MAN Nutzfahrzeuge AG
  • Meritor
  • SAME DEUTZ-FAHR Agrarsysteme GmbH 
  • Siemens
  • Valtra
  • Zahnradfabrik Friedrichshafen AG