PSA Wasserarmaturen GmbH

Pioneer in Photoionisation, portable and prozess Analyzers and Gaschromatographs, Voland Balance Systems, BCDS (Bottle Contamination Detection Systems) for PET refillable Bottles

TESTEX is a globally operating, independent Swiss testing and certification organisation with focus on textile and leather testing. Founded in 1846 and originally known as the "Seidentrocknungsanstalt Zurich" (Silk Conditioning Institute), the TESTEX

For over two decades the name Topas has stood for high-quality products and innovative efforts in the field of particle and aerosol technology – developed, designed and made in Germany.