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● Authentications

Prospective enterprise in Jeollabukdo province
Technical innovation-type small and medium business (Inno-Biz)
Good product for the Office of Supply
Performance authenticated by the Small and Medium Business Administration
High efficiency energy instrument
Good product in Jeonju
Buy-Jeonbuk product
R & D department


● Technologies

Patent no. 0497813 Optical output maintenance controller for temperature compensation-type LED signals
Patent no. 0451264 Signal display structure using unit warning sphere
Patent no. 0106903 Remote controller for tunnel lamps
New design no. 0334202 LED traffic signal
Design registration no. 0328933 Signal display for traffic signals
Design registration no. 0334835 Signal display for traffic signals
Design registration no. 0334836 Signal display for traffic signals