Chowsons Group was established in 1979 and has become one of the leading manufacturer of alarm & security products. In addition, we also cooperate with many well-known brands with OEM/ODM products developing and manufacturing. Central Vacuum System is one of them, and i-Cleaning is our brand name for domestic market in Taiwan. With plenty of experience and good reputation, Chowsons is committed to provide worldwide customers with our quality products, right prices and excellent service. Please contact us for more details.