 The club appointed Kim Chang-Kyum as their manager and joined the semi-professional Korea National League, which was then called the "K2 League".They won their first trophy in 2004 by winning the Korean President's Cup National Football Tournament.Slowly, they rose to strong contenders in the Korea National League, reaching the play-off in four occasions in 2005, 2007, 2008 and 2009 although they failed to lift the trophy on all four occasions.