Klefinghaus GmbH is a medium-sized company based in Lüdenscheid, North Rhine-Westphalia, founded in 1938. The company specializes in pneumatic systems, industrial automation, and custom solutions for lift doors. With over 40 employees, Klefinghaus is a certified partner of FESTO and offers a range of products including pneumatic, electric, and manual lift doors. The company has been manufacturing its own lift doors since 1996, ensuring quality and reliability in its offerings.