197-1 Soosang-dong, Andong-si,, Gyeongsangbuk-do
#602 ssangyong IT twin tower-1, sangdaewon-dong jungwon-ku, seongnam-si, Gyeonggi-do
Room 718, Hyundai Goldentel, 1337-2, Seocho-dong Seocho-gu, Seoul
7th fl., Dojin Bldg., 82 Guro-dong, Guro-gu
Nackwon-Dong