-
1950 Established KOCOAL
-
1953 Started maritime transportation
-
1957 Established Technical Training
Center to educate human
resources and research technology
-
1961 Supported Private Mine
Development
-
1967 Purchased Najon and Sungjoo mines
-
1969 Completed Jang Seong mine shaft
-
1976 Started coal import
-
1981 Achieved 100 million tons of
coal production,
Constructed coal storages
-
1988 Produced record high 522 million tons
-
1990 Sold Najon and Youngwol mines &
Closed Sungjoo mine.
Raised capitals to 450 billion won
-
1993 Closed Hambak mine, Closed Hong Kong and Kwangjoo branches
-
2001 Reduced capitals to 448.3 billion won,
Published 50 years of KOCOAL history
-
2003 Produced 1.229 million tons
-
2005 Started business diversification: overseas development and clean coal technology development
-
2007 Moved main building to Uijeongbu City
Produced 1.382 million tons
Achieved 180 million accumulated tons
-
2010 Celebrated KOCOAL 60th Anniversary
