Jong-Gan Yoon

Sungwon Co., Ltd. manufactures steel pipes and tubes. It produces stainless steel; large diameter welded stainless; ordinary; and boiler, heat exchanger stainless steel pipes. The company was founded on December 26, 1980 and is headquartered in Gwangyang-si, South Korea.

Miju Steel Mfg. Co., Ltd. engages in the production and sale of stainless and spiral steel pipes. It operates through the following business areas: Electric Resistance Welding (ERW), Stainless Steel, and Spiral Pipes. The ERW Pipe business offers carbon steel tubes and pipes, deformed steel pipes, carbon steel square and rectangular pipes, and square and rectangular pipes. The Stainless Steel Pipe business offers stainless steel tubes, large diameter welded, and light gauge stainless steel pipes. The Spiral Pipe business offers steel pipe piles and general sheet piles, arc welded carbon steel pipes, and carbon steel tubes. The company was founded in April 1947 and is headquartered in Pohang-si, South Korea.