Constantin Hang Maschinen-Produktion GmbH is located in Göppingen, Baden-Württemberg, Germany and is part of the Metalworking Machinery Manufacturing Industry. Founded in 1869 by Constantin Hang and starts as a manufacturer of platform weighing machines and weigh bridges. After some years the company begins the production of punching, paper drilling and eyeletting machines. On 2013 moves to the acquisition of the paper drilling, stitching and jogging business units of Ernst Nagel GmbH, Vahingen, Germany