SNT Energy Co., Ltd. operates in the machinery industry, providing air-cooled heat exchangers and air fin coolers for petrochemical, oil refining, power, and other industrial plants. It also supplies surface condensers for thermoelectric and nuclear power plants, heat recovery steam generators for combined cycle power plants, and DeNox equipment to reduce NOx emissions from boilers in thermoelectric plants, cogeneration plants, and steel mills. The company serves petrochemical refining, gas plant, and generator equipment companies. Formerly known as S&T Corporation, it changed its name to SNT Energy Co., Ltd. in February 2021, was founded in 1979, is headquartered in Changwon-si, South Korea, and is a subsidiary of S&T Holdings Co., Ltd.