Doo-Hoi Choi

Hansol EME Co., Ltd. provides engineering and construction services. It engages in paper, environment, water and wastewater plants, and construction equipment. The Paper Plant business produces printing, industrial, and papers. The Environment Plant business provides environmental solutions such as waste treatment and waste-to-resource technologies. The Water and Wastewater Plant business is responsible for services including water and sewage treatment, organic wastewater energy recovery, and sewage-wastewater reuse. The Construction Equipment business constructs industrial plants, logistics, medical, research, and public facilities. The company was founded in September 2001 and is headquartered in Seongnam, South Korea.

Part of Hansol Holdings Co., Ltd., Hansol Construction Co., Ltd. engages in construction of buildings. The company is based in Seoul, South Korea.

SEEN TEC Co., Ltd. engages in the manufacture and sale of industrial boilers and plants. It operates through the following business divisions: Power Plant, Nuclear Energy, Chemical Industry and Renewable Energy. The Power Plant division provides pulverized coal-fired and circulating fluidized-bed boilers and heat recovery steam generators. The Nuclear Energy division constructs and operates nuclear energy plants. The Chemical Industry division designs and builds refinery and petrochemical plants. The Renewable Energy division develops boilers that utilize biomass fuel. The company was founded on February 16, 2001 and is headquartered in Changwon, South Korea.