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Certification

Remark: some of these documents are only available in German

OSK Malsch

ISO 9001:2015
Download

OSK Petershausen

EN 9100:2018
Download

OSK Petershausen

ISO 9001:2015
Download

OSK Celle

ISO 9001:2015
Download

OSK Oppurg

ISO 9001:2015
Download

OSK Oberhausen

ISO 9001:2015
Download

OSK Wernau

ISO 9001:2015
Download

If requested, we will work together with the following certification institutions.: