1875 the Ministry of industry and information technology began to build an iron works in kamaishi.
1886 Chobee Tanaka was successfully milled in kamaishi iron works.
190 1 state-owned bagan iron works started.
1934 "Japan iron works" was established according to the iron works contract.
1950 according to the method of "concentrating and eliminating excessive economic forces", Japan Iron and Steel Company was dissolved, and Baban Iron and Steel Company and Fuji Iron and Steel Company were established respectively.
1970 Bashan iron works (plants), Fuji iron works (plants) merged again, and New Japan iron works (plants) was established.