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Surveillance audit completed without deficiencies

by | Aug 10, 2021 | News_ENG, News_ENG

This year, the surveillance audit by the DVGW for the ISO 9001:2015 quality management system took place later than in previous years due to the coronavirus.SARS-CoV-2 situation.

We also successfully passed this audit in 2021 and thus the certificate will remain valid.