Since our company was established with the spirit of challenge and ardor in 1993, we have grown into a manufacturer of large welded structures including the upper/lower frames of excavators, generator frames for ship and land power generation, wind power generator frames, and railroad car bogie frames.

To realize our vision of being a “Vibrant world-class small hidden company,” we have, for over 30 years, been concentrating on R&D capability consolidation, manufacturing technical power improvement, and new product development under the slogan of challenge, ardor, and innovation.
We will do our very best to grow alongside our customers and become a most reliable partner through continuous management innovation based on our long-term accumulated manufacturing know-how and experience.
We vigorously support the life value improvement of our employees.

O-Sung Machinery Industries is committed to ceaseless challenge and development towards becoming a world-class, small hidden champion and we hope for your continuous encouragement and support.

CEO Kim Sung-Gon (김성곤)