Nabtesco Corporation manufactures and sells industrial robot parts, construction machinery, railway vehicle brakes and automatic doors, aircraft parts, automobile brakes and drive controls, marine controls, and platform safety products in Japan and internationally. It offers precision reduction gears for component and gear head types; hydraulic equipment, such as traveling units for crawlers, control valves for mini excavators, and swing units for hydraulic excavators; railroad vehicle equipment, such as unit brakes, door operators, and brake operating units; and aircraft equipment comprising flight control actuation systems and high-voltage electric power distribution units. The company also provides air dryers and wedge brake chambers for commercial vehicles, and electric compressors for electric buses; marine vessel equipment; automatic doors and platform doors for buildings; automatic filters/sealers for retort pouch foods; prosthetic knee joints; rollators with speed control systems; and power assist units for wheelchairs. In addition, it offers condition monitoring with fail-safe equipment and diagnostic services for wind turbines, as well as wireless power and charging systems. Nabtesco Corporation was incorporated in 2003 and is headquartered in Chiyoda, Japan.