2011 ǰ
YK Steel() ù ǰ ü о߿ ȾҴ.
İ ǥؿ , ѱǥȸ ְ 2011 ǰ 15ȸ° а 70 ǰ濵 ϴٰ ǴܵǴ ü ǰý, ȸ ȭ 13 ɻ ǻ縦 Ǿ.
ݳ ǰ YK Steel ѱ¿ڷ, Z, ̽ 20, о 19, ұ 21 60簡 Ǿ.
YK Steel 4 ǰ濵γ TFT ż ǰ ý(QCAS) ڰܿ ü Ÿ缺 ŷڵ ǽϿ ȸ ° ǰý UP-Grade ϱ Դ.(www.yk-steel.co.kr)