Be it aboard the São Paulo metro or on the Venice Simplon-Orient-Express: our ideas travel the whole world on over 7,000 vehicles. We develop and manufacture innovative power electronics for global railway transportation with great accuracy and a lot of passion: every day, our more than 160 employees contribute to changing the market of a forward-looking branch. What we do We develop and manufacture innovative auxiliary power converters for international rolling stock. Our product portfolio ranges from single devices such as battery chargers or air conditioning inverters to complete auxiliary power converters for passenger cars and multiple-unit trains. We are a subsidiary of Beijing Dinghan Technology Group Co., Ltd. and are headquartered in Kassel, in the very center of Germany.