1999. 1.
Establishment DURI Trade company

  2000. 1. Establishment DURI`s First Factory
  2002. 2. Join for Japan FUJI SEIMITSU CO., LTD.`s Korea agency
  2003. 1. Relocation of Head office
  2004. 5. Establishment of DURI`s R & D center
  2004. 6. Establishment DURI`s Second Factory
  2005. 1. Change to DURI MITEC CO., LTD. for corporation body
    Relocation R&D center
  2007. 6.
Relocation First and Second factory

(The current point)
  2007. 7. Relocation R&D center (The current point)
  2009. 4. Optain ISO9001, 14001
 
  2012. 1. Trademark registration of DURI MITEC
  2012. 9. Design registration of Coupling
  2012. 11. Patent registration of Precision Locknut
  2013. 4. RoHs certification - Locknut
  2013. 5. RoHs certification - Locking element, Coupling
    PARTS AND MATERIAL COMPANY certification
  2013. 7. INNO-BIZ certification
  2013. 8.
Open Chang-won Office

  2013. 11. Selection as Military Service Exception Firm
  2014. 08. Localized successes of Coupling for Machine tool
  2014. 10. Release of Grinding Locknut for the first time in Korea
  “GRINDING LOCKNUT, ULTRA GRINDING LOCKNUT,
ULTRA BALANCING GRINDING LOCKNUT”
  2015. 12. Patent and Design application of Shaft Coupling
    Patent application of integrated flexible Coupling
  2016. 1. Establishment China Shanghai office
  2016. 3. Establishment Japan Osaka branch office
  2016. 6. Patent registration of Integrated flexible coupling
  2016. 9. Presidential citation for Developing Outstanding capital goods
  2016. 10. Design registration of Coupling for power transmission
  2016. 10. Design registration of Connector of coupling for power transmission
  2019. 09. Design Registration Coupling for Power Transmission (30-1023214)
    Design registration related to power transfer couplings
  2019. 11. Design Registration Connector of Coupling for Power Transmission (30-1035348)