4F, Doongjy Bldg, 219 Poi-dong, Kangnam-gu Seoul, Seoul
5F, Irero Bldg, 47-11, Bangi-Dong Songpa-Gu, Seoul
Goian-dong Sosa-gu/Bucheon, Gyeonggi-do
674-1, Naksan-ri, Waegwan-eup Chilgok-gun, Gyeongsangbuk-do
5fl,Onsetelecom Bldg.,192-2, Gumi-dong, Bundang-gu Sungnam-si, Gyeonggi-do
22F, TrustTower 275-7 Yangjae-dong Seocho-gu, Seoul