Open Technology is located in Gwangju High Tech Science Industry Complex which is the heart of Korea Optical indusrty.Gwangju High Tech Science Industry complex has rich Optical R&D resorces, ...

#3201,971-35,KOPTI wolchul-dong Buk-gu, Gwangju

we develop,produce and sell the LED lighting system and controller.Especially,we can design huge size LED lighting&display system.Products : Color Bar(Indoor/outdoor),blaster,pond,chanel letter,ef...