SIHN stands for fluidic and mechanical connection components, as well as related components and services in premium quality. As the European market leader for couplings and hollow bolts in the automotive and commercial vehicle sectors as well as in adjacent industries, we are committed to a deep understanding of the needs of our customers. Our experienced development department offers application-specific solutions, which we implement as small and large series in millions of pieces. For our experienced and motivated employees, we are a reliable employer that offers attractive tasks and career opportunities and appreciates performance.