Double Ribbon Screw Mixer is most suitable for poultry and cattle feed mixing. These mixers produce a very homogeneous mixing of different ingredients used in feed industry. In this machine, mixing is performed by curved blades called Ribbon on the main shaft which when revolve give continuous turbulent movement to the ingredients. Arrangement is given for direct addition of certain percentage of liquids, fats or molasses. Horizontal mixers are fitted with well designed oil immersed gear box with helical teeth heat treated gears which ensures prolonged trouble free service. Blades are specially designed to give rapid mixing and have better bending strengths and resistance to wear.