1990. 12. 21   Established DongShin Company
(Developed our own model and launched to sell in domestic market)
  1995. 01. 19   Changed company name to DongShin Engineering (Started exporting)
  1997. 05. 23   Passed the performance approval of Safety Explosion-proof Electric Devices
certified by Korea Gas Safety Corporation (Ex e Ⅱ T4)
  1997. 07. 25   Obtained Germany VDE Mark (IP 66 Level)
  1997. 09. 16   Obtained EU CE Mark
  1998. 04. 27   Obtained USA UL Mark (UL 508 4X)
  1999. 09. 01   Obtained Germany TUV Mark
  2001. 07 13   Moved to Saha-gu, Busan city
  2002. 01   Changed company tile to DSE Co., ltd.
  2003. 6.26   Chosen Export Prosperous small-medium sized company by Korean Government
  2003. 11.30   Achieved Export Award for one-million dollar export and an honor of President of Korea Certification Mark
  2006. 3.9   Certified company for venture business
  2011. 5, 26   KOR-EU FTA
  2011. 11.30   Achieved Export Award for three -million dollar export and an honor of President of Korea Certification Mark
  2012. 08. 01   Obtained Germany TUV Mark (IP67)