S&T Corporation is a Korea-based company mainly engaged in the manufacture and marketing of heat exchangers. The Company manufactures air cooled heat exchangers, which are used for petrochemical plants, oil refining plants, gas plants and others; heat recovery steam generators (HRSGs), which generate steam for generation of steam turbines with use of the waste heat; denitrification facilities, which eliminate the nitrogen oxide (NOx) materials, generated from combustion of nitrogen component in fuels and air; steam surface condensers, which are used for nuclear power plants and thermal power plants, as well as high frequency welded spiral finned tubes, which are components used for waste heat recovery devices of power generators. The Company distributes its products within domestic market and to overseas markets.