Dongkuk Holdings Co.,Ltd. engages in the manufacture and sale of steel products in South Korea and internationally. It offers pre-coated metal products for home appliances under the Luxteel, Appsteel, and supersmp brand names; galvanized steel for home appliances, automotive parts, ducts, and sound proof walls, as well as construction industries; electro galvanized steel for fire doors and receivers; galvalume steel for roof materials, walls, pipes, fences, and home appliances; and Mg alloy galvanized steel for roof materials and walls. The company also provides steel plates, DK–LP plates, and clad steel plates for shipbuilding, marine plants, boiler and pressure vessels, and pipes; reinforcing, seismic resistant, threaded, and coil reinforcing bars for civil engineering and construction industries. In addition, it offers H-beams for buildings, factories, and civil engineering industries; angles for truss, shipbuilding, and iron tower; channels for truss, braces, and studs; flat bars for machine equipment, construction materials, and studs; F-shape and C-shape profiles for formworks, construction sites, and studs; round bars for stiffeners and deformed stiffeners for civil engineering and tunnel construction; and DK-deck used as road decking plates. The company was founded in 1954 and is headquartered in Seoul, South Korea.