Plastics expertise As the "Headquarters of Plastics", GEMÜ Switzerland is the GEMÜ Group's service and competence center for high-quality plastics solutions. We have been producing high-purity valves and accessories for semiconductor production since 1988. The sophisticated and high-quality high-purity products have brought continuous growth and enabled us to expand our business field. Since 2003, we have also been manufacturing customer solutions for the medical and pharmaceutical industries. Clientele Our customers are active in medical and environmental technology, the pharmaceutical and food industries, as well as in the semiconductor sector, the chemical industry, power generation and power plant construction. Our products are also used in numerous other application areas that use liquids, vapors and gases in their processes.