Testified and certified quality assurance.
For many years all production processes of Hammerwerk Erft have been documented and checked according to the quality assurance management manual of our company.
In 1991 we were certified by Det Norske Veritas according to DIN/ISO 9002 – EN 29002 and in April 2002 we were granted certification according to the EN ISO 9001:2000.
In May 2010 we were granted certification according to the EN ISO 9001:2008.
In July 2018 we obtained the certification according to EN ISO 9001:2015
In July 2019 we obtained the certification according to EN ISO 14001:2015
These achievements reflect convincing approval of our product quality.
Overview of our accreditations, for download in PDF format.