2005. 03. Acquired Korea Industrial Standard Certification (KS) [General Structural Rolled Steel KSD 3503]
2005. 03. Acquired Korea Industrial Standard Certification (KS) [Steel for Reinforced Concrete KSD 3504]
2005. 07. Signed voluntary agreements for energy conservation and greenhouse gas reduction (Incheon Metropolitan City)
2005. 12. Implemented fuel conversion work for heating furnace (B.COIL > LNG)