公开联系方式
SUNGMUN ELECTRONICS [HEAD QUATER]
ADDRESS：301-302, Bucheon Techno Park, 345 Seokcheon-ro, Ojeong-gu, Bucheon-si Gyeonggi-do, Korea
TEL：+82-32-328-1941~4
SUNGMUN ELECTRONICS GURO (HEAD COMPANY)
ADDRESS：RM3426, Na-dong, 15 Gyeongin-ro 53-gil, Guro-gu, Seoul, Korea
TEL：+82-2-2625-1941~2
