Dong Il Steel Mfg Co.,Ltd specializes in the production and distribution of diverse steel materials across South Korea, Asia, and the Americas. The company's comprehensive product lineup includes low PC steel wires and strands, which are essential for major infrastructure projects like bridges, railroads, and nuclear facilities. They also provide high-quality hard drawn and piano wires for precision springs, alongside galvanized steel wires and strands utilized in various cabling and support applications. Furthermore, Dong Il Steel manufactures cold drawn steel bars for the automotive, construction, and electronics sectors, encompassing stainless steel variants and Mabon steel products. The firm also operates a rental division. Established in 1959, the company maintains its headquarters in Anseong, South Korea.