Tokyo Steel Manufacturing Co., Ltd. manufactures and sells various steel products in Japan. The company offers various long products, such as H beams, U-shaped steel-sheet piles, I-beams, checkered H-beams, channels, and deformed bars for use in various building and civil engineering projects, as well as in automobile and machinery components. It also provides flat products comprising heavy steel plates, hot rolled coils, pickled and oiled coils, hot-dip galvanized coils, checkered coils, and steel sheets for use in construction, industrial equipment, plant equipment, bridges, and ship-buildings. The company was founded in 1934 and is headquartered in Tokyo, Japan.