PIOFLEX GmbH We have been producing state of the art high-quality pipes, hoses and sections in Denzlingen, 10 km north of Freiburg, since 1966.We started with the name Lonzatub and we can now look back on over 50 years of experience in the fields of extrusion and thermoforming.We are a financially strong company incorporated within the Merckle group of companies. We make continuous investments in our production location and we are proud of our modern, future-focused machinery.Our global customers are producers and converters in the automotive, industrial and plant engineering sectors. Craftspeople and wholesalers also appreciate the extraordinary quality of our products and the service we provide them with.