One Group
Active worldwide, we are a dynamic and modern family enterprise. In the market segments that we cover we are striving for continuous growth, and a clear leadership position with our products and services. With over 130 years experience at   RUD and 175 years at Erlau, by drawing on our heritage and experience in metal-working, welding, heat treatment and surface technology, we are developing future-oriented solutions for the most diverse and varied areas of application.