Zehnder Group AG was headquartered in Switzerland since 1895. It is the earliest manufacturer of steel tube radiator in Europe, with a development history of more than 120 years. Zehnder Group was listed on the Zurich stock exchange in 1986. At present, it has more than 50 subsidiaries around the world. Its R&D and production centers cover more than 20 countries including Germany, France, Italy, China and USA. Our sales activities have spanned more than 70 countries, and the main product fields including Heating, Refrigeration, VMC (Ventilation Mechanical Control), Cleaning, Water Purification, Integrated Control, etc.