1983
- 13, Mar. Establishment of Dae Jin Metal
1998
- Mar. Expanded movement from Busan to the current factory in Naesam-ri, Juchon-myeon, Gimhae-si
2000
- Jan. Acquired ISO 9002 certificate (no. K - QA - Q00823)
2002
- Mar. Registered as a venture firm (Small and Medium Business Administrator of Gyeongnam) no. 2002212371-0680
2004
- June. Installed alpha set
2006
- Mar. Registered as a venture firm (Small and Medium Business Administrator of Gyeongnam) no. 2002212371-0680
- July. Certified as an Inno-Biz small and medium business
- No. 6111-1284 (10 July 2006 – 9 July 2009)
- Dec. AOD 10 tons established
2007
- Nov. Simulation program introduced (Z-Cast Korea)
2008
- Oct. Induction furnace constructed, 8 tons two source two body replaced (Inductotherm, U.S.A)
2009
- July. Spectrometer replaced (31CH, GNR . Italy)
2010
- Feb. Gas analyzer introduced (H, O, N, LECO, U.S.A.)