RINGFEDER POWER TRANMSSION has a long tradition of excellence in products including Locking Devices / Assemblies, Shrink Discs, Shock Absorbing Technology, a complete line of couplings e.g. Rigid Disc, Servo-Insert, Safety, Barrel, Torsionally Flexible, and the TNR coupling for drivetrains. In-house engineering and product customization based in Westwood, NJ establishes Ringfeder Power Transmission Group as a market leader and your partner for performance. As a group with a global presence, our goal is to support you and your customers worldwide with value-added solutions, quality products, superior engineering, and the operational know-how to exceed your requirements.