- Representative: Seol Dong-yeol
- Address: 515, 136 Jiksan-ro, Jiksan-eup, Seobuk-gu, Cheonan-si, Chungcheongnam-do (Information and Video Convergence Center)
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Tel : 041-588-9815
Fax : 041-588-9816
Mail : stl@smartsignal.co.kr
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Business hours: 9:00 -18:00
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