Headquartered in Seoul, South Korea, it was split from SeAH Steel Corporation in 2001.

[1] The company's main business area is special steel.

[4][5] As for 2017, The company produced 3 million tonnes of crude steel.

[6] It is currently South Korea's largest special steel manufacturer with a domestic market share of over 40%.

[7] Founded under the name of Changwon Steel, it was taken over by the SeAH Group in 1998.