yongdap-dong, seongdong-ku seoul,
8th floor, junil building, 28-7, bangyi-dong, songpa-gu, Seoul
(#501 Hosu B/D Shindangdong) Toegye-Ro Jung-gu
324, Sam Li, Silchon
Rm3404, Hyundai 41 Tower, 917-9, Mok-Dong, Yangcheon-Gu,
206-6, 1-8 ho da. Sungin-dong Jongno-gu, Seoul
672-2 Jeobji-ri, Yiman-myeon, Jungeup-si,, Jeollabuk-do
264 Jungsan-dong,Jungsan-dong ,Gyeongsan-si
gumidong sigma2 office
Songtan Industrial Complex,437, Mogok-dong