• 2014	Company Building/Plant Floor Renovation
  2013	Large-size Grinding Machine (Ø3m Dia.)
  2011	Perkin Elmer spectrophotometer
  2007	Elliptical Grinding machine (Ø320mm Dia.)
  2005	Large-size Coating Machine (Ø4m Dia.)
  2002	Research on Large Elliptical Reflector Production
  2001	Large-size Coating Machine (Ø2m Dia.)
  2000	ISO9001, ISO14000 Certificate Developed optical parts for parallel beam exposure system
  1999	Selected as Business with Outstanding Technology by Small and Medium Business Administration
  1998	Selected as Venture Business by Small and Medium Business Administration
  1997	Developed Lenses for military-use night vision goggles
  1996	Selected as Future Technology Business by Small and Medium Business Administration
  1991	Authorized to register as a supplier (Ministry of Defense)
  1990	Established Pentaprism process system (50K pcs/month)
  1988	R&D Center authorized by Ministry of Science and Technology
  1987	Relocated to Eumseong, Chungcheongbuk-do
  1974	Founded in Anyang, Kyeonggi-do