VDF-Federn is a group of efficient manufacturers and service providers in the field of spring technology. We, RENZING Federntechnik and VDF VOGTLAND Federntechnik, are specialised manufacturers of technical springs of wire and steel strip as well as spring assemblies and components. Well-Known companies of the automotive industry, mechanical engineering and plant construction as well as other capital equipment companies count on our R&D and production expertise of our spring group. WE offer always the optimal spring for every individual application. Cold-formed spring systems made of spring steel wire or strip stock combined with lathe parts or plastic parts to spring assemblies are one of our specialities. You will find our product in the engine and drive train, the chassis suspension, the brake systems, the locking systems, in valves, steering mechanisms, construction industry, households goods industry and in many further applications.