The first company of the "Polytechnic Group" was established in Ankara in 1976. Engineering-time companies' time-lines are focused on the manufacture of large-diameter compensators and electrostatic filters. The "Polytechnic Group" opened a new production facility in Istanbul in 1988 by establishing a second company for the production of industrial type expansion joints. The "Polytechnic Group", which produces 50,000 annual compressors and 1,200,000 meters flexible metal hoses, has been serving the Turkish industry and various sectors abroad since its foundation. Powerful engineering and trained personnel using modern technology-based design and manufacturing methods produce quality, fast and economical solutions.
In October 2016, all of the shares belonging to our "Polytechnic Metal Bellows" and "Inter Metal Flex" companies were purchased according to "KLINGER GROUP". Our company has more than 2300 employees for 55 companies and more than 60 manufacturing, distribution and service facilities around the world.
We provide our employees with the strength of their successful and stable employees through the training opportunities they provide, the importance given to research and development activities, the applied quality policy and the sharing of information created by the Klinger community.