COSMAU was formed in 2005 manufacturing electrical-mechanical components for use in automation industry and start to focus on slip ring after two years. Over the last ten years has grown to a leading supplier of the world, and developed a reputation for providing high quality slip ring systems and rotary joints for the world companies. With its commitments to quality and innovation is continually pushing the limits of technical feasibility, a great deal of investment to ensure the market leadership in the development and production of slip rings, which are used in every sector of industry and electromechanical engineering. In the last ten years, It is produced more than 50 inventions, and filed many more patent applications.