Your master company and partner for over 35 years, founded by Ottmar Hirner. Since 2019, Mr. Josef Schwarz as owner and managing director with decades of experience in mechanical engineering leads the company and continues to develop the repair and manufacture of slewing rings. Quality and service are our top priorities.

We are your partner on site, for all technical questions
around slewing rings or slewing ring damages.

We always inform you about the most favorable solution.

You receive advice, service and installation from a single source.