DooSan VentureDime 1129, 126-1, Pyeongchon-dong, Dongan-gu, Anyang-si, Gyeonggi-do
236-4, Sangdaewon-dong, Jungwon-gu
Sinchundong
5fl,Onsetelecom Bldg.,192-2, Gumi-dong, Bundang-gu Sungnam-si, Gyeonggi-do
Suite 402, DaeJo-dong,EunPeyong-gu, Seoul, South Korea,
DONGWOO B/D 1F, 405-3, JEONGREUNG-2DONG SEONGBUK-GU, Seoul
3F Dong-Yeon B / D, 106-4, YangJae-dong, Seocho-gu
Miseong Bldg., 612-6, Guro-dong Guro-gu, Seoul
179-2, Dodang-Dong Wonmi-Gu, Bucheon-City, Gyeonggi-do