OptoNest manufactures specialty fibers, passive connector devices, fiber-optic components, and educational systems for fiber-optic engineers. We developes photonics devices with technical innovation and outstanding performance. Building upon our expertise in research and development, manufacturing, and customization, we are ready to support your needs with the best quality of the goods which were proved by Korea, USA, Canada and China's Patent Offices. OptoNest Co. established/ Agreement on Joint Development of Specialty Optical Fiber Optical Tech. Institute established / ONU optical cable developed Excellent Joint Venture Company obtained(Korea Institute of Industrial Technology Evaluayion and Planning) Optical Communications Training System(OTS) developed Specailty Optical Fiber for WDM developed UL Certification obtained with Fan-Out Cords Certification of Company Annexed Institute Obtained (Korea Industry Technology Certificate Co. Ltd) Selected as Company to be supported to Commercialize First Class New Technology Product / New premises build and shifted ISO 9001: 2000 (DNV Certification), Appointed as Promising Small Medium Sized Company for Export (Small and Medium Business Administration)) NT Certified (Korean Agency for Technology Standards) confirmed as Parts and Devices Specialized Company (Ministry of Commerce, Industry and Energy) Won the Chang Young Sil Award (Attenuation Fiber) E-O Variable Attenuator developed Selected as one of Hankook ILBO's 100 excellent patented products High Power Laser Fiber developed.