1954 Established Dongkuk Steel by Chang Kyung Ho, CEO

1959 Produced wire rod first in Korea

1961 Began to produce rebar

1963 Operated Busan Works (Yongho-dong)

1965 Operated blast furnace first in Korea

1966 Operated electric furnace steel factory first in Korea

1971Produced steel plates first in Korea

1972 Operated Incheon Works

1972 Produced pre-painted steel first in Korea

1973 Introduced billet continuous casting machine first in Korea

1981 Established training center

1985 Appointed Chang Sang Tae as CEO

1988 Initial Public Offering

1991Operated Pohang Works No.1 steel plate factory

1993 Introduced direct current electric arc furnace first in korea

1994 Declared permanent no-strike of the union first in Korea

1997 Operated Pohang Works No.2 steel plate factory

1999 Operated Pohang Works reinforcing-bar factory
Operated Sinpyeong Works

2001Appointed Chang Sae Joo as CEO

200450th anniversary

2007 Operated PL-TCM in Busan plant

2010 Operated Dangjin Works

2010 Operated eco arc furnace of Incheon Works

2011 Launched the brand 'Luxteel'

2015 Merged with Union Steel

2016 Ceremony of Initial Fire of blast furnace at CSP Steel Mill in Brazil

2016 Commercialization of digital inkjet printed steel sheet technology first in Korea

2017 Achieved cumulative production of 10 million tons of color steel sheet

2018 Produced DK LP-plate, DK-Deck, etc.

2019 Applied color steel sheet metal furniture first in the world

2020 Ministry of Gender Equality and Family, Dongkuk Steel '2020 family-friendly company' certification

2020 Developed the 'Giga' rebar(Yield strength: 1,014MPa) First Time in Korea

2021 Luxteel 10th anniversary