#50-1, Jangchung-dong 1 Ga Jung-Gu, Seoul
459-40,Gasan-dong ,Geumcheon-gu
239-12,Gasan-dong Geumcheon-gu, Seoul
#304, IT Mirae tower 60-21, Gasan-dong, Geumcheon-gu, , Seoul
444,Dunchon-dong ,Gangdong-gu
935D, KIST venture Town, #39-1 Haweolgok-dong, Sungbok-ku, Seoul,
3F, Yehwa Bldg., 97-5, Yangjae 1-dong, Seocho-gu,, Seoul
431-4, Jangandong Dongdaemoon Seoul,
1490-48 Seocho-dong,Seocho-gu Seoul,
Hyeosung bldg., 115-12, Nonhyeon-dong Gangnam-gu, Seoul
#653-7, Myunmok-dong, Jungrang-gu,, Seoul
6f Pyeongsan BD. 431-1, Jangan-dong, Seoul, KOREA dongdaemungu, Seoul
#203 A Dadae whitevill 134-20 Bangwha-dong Gangseo-gu, Seoul
Rm305, Seungjin Bldg.49-47, Nogosan-dong, Mapo-gu,121-807,