Dr. Hahn GmbH & Co. KG is one of the leading companies in the development and production of hinges for metal and pvc doors with excellent design and outstanding service. Founded in 1961, the company now employs 400 people at its locations in Mönchengladbach and Erkelenz. With an export share of more than 70%, Dr. Hahn hinges are today recognized internationally as one of the strong brands in the industry.