308ho, Daelim B/D 3F, 333 Sinjeong, Yangcheon, Seoul
No.157 Dagu North Road Heping Gu Tianjin,
16 ,Gongdan-ro 36beon-gil Gunpo-si Gyeonggi-do, Republic of Korea Gunpo-si Gyeonggi-do -6937-0629, Gyeonggi-do
451-20, Cheonho-dong,
IT Castle 1-1209, 550-1 Gasan-Dong, Geumcheon-Gu
647-82, 2F, Duengchon-dong Kangseo-gu, Seoul
Rm 305#, Kumhohousetel 49 Guro-5dong Guro-gu, Seoul
405-821 137BL-2L Namdong Industrial Complex 708-1 Gojan-dong Namdong/Incheon, Incheon
#120-8, Ohyang -ri, Gamgok -myeon, Eumseong-gun,, Chungcheongbuk-do
264-20, Yeumchang-dong Gangseo-gu, Seoul
seol gura, Sejong
Room No.1127 Manhattan Building. 36-2, Yoido-dong, Youngdeungpo-gu,, Seoul
B-412, Migun Techno World II, Techno2-ro Yuseong-gu, Daejeon
115,Saerom Hall, Gachon Univ. BokJeong-dong, Soojeong-gu, Seongnam-City,, Gyeonggi-do
76-1, Majang-ri, Gwangtan-myeon, Paju-si, Gyeonggi-do, 413-851, Korea Paju-si, Gyeonggi-do
Rm.202-901, DongIk, Beokje-dong, 720, Deokyang-gu, 412-510, Goyang-si, Gyeonggi-do
Room301, Dongsan BLDG, # 648-11, Deungchon-dong,
Hab-jung Dong 355-24 203? Ma-po Gu, Seoul
5A233, College of Engineering, JNU, 77 Yongbong-ro Buk-gu, Gwangju
#1005, DAERUNG POST TOWER II, Guro-3Dong, Guro-Gu, Seoul, Seoul