□  1998. 07          Founded Youngchun Engineering

□  1998. 07          Join Semi member

□  1998. 07          Conclusion of a contract Korea VAT Agent

□  1998. 10          Join Member of AFTAK

□  1998. 12          Conclusion of a contract Korea EVAC Agent

□  1999. 01          Established "Youngchun Eng Repair Center"

□  1999. 06          Conclusion with VAT Technical assistance agreement, Completion                            Techincal edu

□  2004. 09          Moved expanded new Repair Center

□  2007. 07          ISO 90001 Certified