A laboratory well appointed with most modern technology makes it possible to increase the quality of our products and to simplify the production. All products are subjected to a permanent quality check in our house.

In addition, there is an inspection by the independent Engler-Bunte-institute from the University Karlsruhe. This is a research institute of the "Deutscher Verein der Gas- und Wasserfachmänner" (DVGW) (engl. German Society of the Gas- and Water Experts).