Gummi produces six styles of couplings, including flexible, gear and hydraulic types, six drum clutch /brake configurations in both constricting and expanding types, non- asbestos friction material for a wide variety of industrial applications, and various sizes and styles of rotary unions and quick release valves. The applications for these products are found round the globe and range from industries such as oil and gas well drilling to grinding mills to paper/pulp production to metalworking to cement production to textiles to marine propulsion and braking.