Won Jo

Hanwha Engineering & Construction Corp. provides engineering and construction services. Its services include construction of chemical, petrochemical, power plants, roads, commercial and residential buildings. The company was founded on July 2, 2002 and is headquartered in Siheung, South Korea.

Hanwha Advanced Materials Corp. develops and manufactures materials for industries, including automobile, electronic and solar industry. Its products include glass fiber mat thermoplastics, ethylene vinyl acetate sheets and flexible copper clad laminate. The company was founded on July 1, 1999 and is headquartered in Seoul, South Korea.

Hanwha Estate Co., Ltd. offers property management services. It operates through the following business areas: Property Management, Facilities Management, Engineering, New Renewable Energy and Integrated Security System. The Property Management business provides lease, building operations and financial management. The Facilities Management business offers janitorial and building control and maintenance services. The Engineering business encompasses electrical engineering, residential and commercial property remodeling and refurbishments. The New Renewable Energy business installs solar and geothermal energy systems. The Integrated Security System business provides unmanned, communication, gate security and access management services. The company was founded on February 2, 1988 and is headquartered in Seoul, South Korea.

Yeochun NCC Co., Ltd. is a joint venture company based in Seoul, South Korea. The South Korean company's description is "??NCC".

Hanwha Q Cells Korea Corp. manufactures solar modules and offers solar energy related installations and constructions services. It also distributes electricity generated through solar power plants. The company was founded on April 5, 2011 and is headquartered in Seoul, South Korea.

Part of HANWHA SOLUTIONS CORP., Hanwha Chemical Overseas Holdings Co., Ltd. operates as a holding South Korean company which provides management consulting services. Sang-Heum Han has been the CEO of the company since 2017.