1973
   12. : Foundation of YoungJun Trade
1981
   07. : Change Company Name-YoungJun Corp.
1983
   04. : Registration of 1st Factory
  07. : Electric Appliance Manufacture Permission
1985
   12. : Move of The Head Office
  12. : Open of Seoul Branch Office
1986
   05. : Electric Constructing Wire Machinary Registration
1989
   05. : Registration of 2nd Factory
1991
   02. : Good Company Prize(Industrial Bank of Korea)
  07. : Electric Constructing Wire Machinary 1st License
1993
   08. : Won the prize-FutureHouse 2000(PA SYSTEM)
  12. : Military Service Exemption Company
1995
   10. : Electric Constructing 1st License Re-registration
1997
   03. : Gyeonggi-Do Future Small & midium Company Certificate
  06. : ISO9001 Quality Certificate
  07. : Establish R&D Center
1998
   06. : Good Small & Midium Company (Industrial Bank of Korea)
2001
   05. : Software Business License(KSBA)
  11. : [S&B FAMILY Company] Certificate (Industrial Bank of Korea)
2002
   02. : Engineering & Consulting Business License (ECBA)
2003
   12. : ISO14001 Quality Certificate
2004
   07. : SI(Software Integration) Business Certificate
2005
   12. : Merging of Head quarter and branch
2006
   02. : Registration of online sales
2012
   09. : Small and Medium Business Technology Innovation(INNO-BIZ)
2013
   09. : Certificate of Broadcasting and Communication Equipmen(iLCU-V1)
2014
   02. : Certificate of Broadcasting and Communication Equipmen(WSD-01B)