ILSEUNG Co., Ltd. produces and sells marine equipment in South Korea and internationally. The company provides environment equipment, including sewage treatment plants, freshwater generators, oil purifiers, grease traps, scrubbers, and industrial boilers; and HRSG, a device that recovers waste heat from a combined cycle power plant gas turbine and generates steam, as well as SCR, a facility that reduces nitrogen oxides generated during combustion of fossil fuels into nitrogen and water vapor using ammonia catalysts. It also offers LNG re-gasification unit and outfitting. In addition, the company provides protection films, teflon tapes, and PP compounds. The company was founded in 1988 and is headquartered in Busan, South Korea. ILSEUNG Co., Ltd. is a subsidiary of Sejin Heavy Industries Co., Ltd.