Sung-Yi Yoon

Suncore, Inc. engages in the manufacture and sale of bearings and related components. Its products include standard components for press die and mold, slide and guide components, cam units, elements, die stock and stroke control components, hook and lift components, locating components, knock-out pins of panel, lifters, scrap control components, springs and springs units, mold components, NAAMS products, oilless bearings, dry and metal bearings. The company was founded on November 22, 1978 and is headquartered in Paju, South Korea.

Sun Technologies Co., Ltd. engages in the manufacture and sale of rolls used in steel manufacturing processes. Its products include ductile cast iron rolls, specially heat treated strength graphitic iron, carbon disclosure project spheroidal graphite iron, indefinite chilled iron and high speed steel rolls. The company was founded on February 6, 2002 and is headquartered in Seoul, South Korea.