Geumseung B/D, 271-140, Dongin-3ga, Jung-gu,, Daegu
#190-28, Cheongcheon-2dong, Bupyeong-Gu. Incheon, Korea Bupyeong-Gu, Incheon
404-5, Dongin3-ga, Chung-gu,, Daegu
# 619~620, College of Electronics & Info. Eng. , Chosun Uni. , 375 Seoseok-Dong Dong-Ku
2F, ETM B/D, 1056-29, Namhyun-dong Kwoanak-gu, Seoul
2107-21 Namsan-dong Jung-gu, Daegu