Knopf provides a service and performance bond for their customers. Reliability and promptness stands for the quality of Knopf services.

Accordant to the operation fields the Knopf GmbH is certified under DIN EN ISO 9001. Furthermore the organization shows an own, internal quality management system. With annual audits we can guaranty a continuous improvement of our performances. An environmental consciousness, higher than the average, is a matter of course to us. Knopf customers are lastingly successful.