4F, Doongjy Bldg, 219 Poi-dong, Kangnam-gu Seoul, Seoul
Rm1809, LG Pellisse Bldg., 165-8, Donggyo-dong Mapo-gu, Seoul
5F, Irero Bldg, 47-11, Bangi-Dong Songpa-Gu, Seoul
5th Floor Onsetelecom Bldg. 192-2 Gumi-Dong Bundang-Gu
Rm# 507, Dongyoung Venturestel 5th, 199-32, Anyang 7-Dong,
Goian-dong Sosa-gu/Bucheon, Gyeonggi-do
674-1, Naksan-ri, Waegwan-eup Chilgok-gun, Gyeongsangbuk-do
3F,517-35,Munhyun-2dong Nam-gu, Busan
# 59-115 San 48, Gaeshin-dong Heungduk-gu, Cheongju, Chungcheongbuk-do
4F. IN Bldg., 1191-2, Gaepo-Dong, Kangnam Ku, , Seoul
#511 Chunui TechnoPark II-201, Chunui-dong, Wonmi-gu, Bucheon-si,, Gyeonggi-do
5fl,Onsetelecom Bldg.,192-2, Gumi-dong, Bundang-gu Sungnam-si, Gyeonggi-do
22F, TrustTower 275-7 Yangjae-dong Seocho-gu, Seoul