Dongkuk 

Dongkuk Steel Mill Company Limited operates as a leading global manufacturer and distributor of steel products, serving both domestic and international markets from its base in South Korea. The company's extensive product line encompasses pre-coated metals like Luxteel, Appsteel, and supersmp, specifically designed for home appliance manufacturing. It also produces various types of galvanized steel: standard galvanized steel for applications including household appliances, automotive components, ducts, soundproofing, and general construction; electro-galvanized steel for fire doors and receivers; galvalume steel suitable for roofing, walls, pipes, fences, and home appliances; and Mg alloy galvanized steel for roofing and wall structures. Additionally, Dongkuk Steel supplies steel plates, including its proprietary DK-LP plates, which are critical for shipbuilding, marine plant construction, boilers, pressure vessels, and piping. Its offerings extend to a comprehensive range of reinforcing bars—standard, seismic-resistant, threaded, and coiled—essential for civil engineering and general construction projects. The company's structural steel portfolio features H-beams for buildings, factories, and civil engineering; angles used in trusses, shipbuilding, and iron towers; channels for trusses, braces, and studs; flat bars for machinery, construction materials, and studs; F-shape and C-shape profiles for formworks, construction sites, and studs; round bars (including deformed varieties) for stiffeners in civil engineering and tunnel construction; and DK-deck plates for road surfacing. Established in 1954, the company's headquarters are located in Seoul, South Korea.