1984. 03. Dong il Ceramic Co.(Incheon Plant) established
      05. 'Korea Register of Shopping' Certification (K.R)
  1985. 03. Korean Association of Ceramic Industry Registration
  1986. 11. Listed as a promising medium industry By KAIST
  1990. 11. Selection as a KAIST post-management company
  1993. 09. Dong Il Ceramics Co. YongIn Plant Founded and transferred
        (Plant Automated)
  1994. 12. 'Det Norske Veritas' Certification (DNV)
  1996. 02. "Lioyd's Register of Shipping' Certification (LR)
      05. Korea Welding Academy Member Registration
      12. 'American Bureau of Shipping' Certification (ABS)
  1997. 05. 1999 Korea Welding Show
  1998. 04. 1998 Japan Welding Show
  2000. 04. 2000 Japan Welding Show
  2000. 07. Certification from LR, ABS, DNV, GL, BV, NK, KR
  2001. 05. 2001 Korea Welding Show
  2001. 09. Messe Essen Welding Show (Germany)
  2001. 10. Obtained ISO (9001 :2000) Certification
  2001. 12. Installed ERP System
  2002. 06. Total 63 Invention, Utility and Model Patents
  2002. 08. Obtained ISO 14000 Certification