Since 1994 our production site in Oberhausen, Germany, the GHH Rand Schrauben-
kompressoren GmbH continuously fulfills the requirements of ISO 9001 Total Quality Management System and the ISO 14001 Environmental Management System.

Please see below the confirmation of our efforts for the ISO 9001 certification: 

 

 

Please see below the confirmation of our efforts for the ISO 14001 certification: 

Also our plants in Mocksville, USA and Wujiang, China operate under ISO 9001 certification. See the respective documentation on the right:

Please see below the confirmation of our efforts for the ISO 9001 certification for the Mocksville plant, USA: 

Please see below the confirmation of our efforts for the ISO 9001 certification for the Wujiang plant, China: