NKK developed steelmaking technology in the 20th century while considering its social responsibilities. NKK developed and applied highly efficient production technology and produced high quality steel products while reducing the generation of wastes. The 21st century will face a worldwide borderless society. Hence, the newly formed JFE Steel Corporation will develop new steelmaking processes and contribute to meeting diverse demands from around the world.

Hot metal pre-treatment, ZSP (Zero Slag Process), Converter, Secondary refining, Continuous casting, High-speed casting, High quality,  Effective use of Slag