Howren supplies products of major global famous brands, such as Wacker in Germany, Momentive Performance Materials (formerly known as GE, Toshiba, Bayer) in the United States, KCC in South Korea, Elkem in Norway, Novagard and Climax in the United States, Chela in the United Kingdom, U.S. SILICA in the United States, etc. At the same time, our Research and Development Department continues to develop its own brand – HR Series in order to meet the demands of product diversification and to provide more complete products and technical support.