3F Wolkawng Bldg. , 427-57, Seongnae-dong
467-24, Woosung Character199, RM2215, Dogok-dong,Gangnam-gu
9F, Korea Sanhak Foundation Bldg. , Seocho-dong
136-2 Jubook-Ri, Yangji-Myeo
RM 903, WOOREE VENTURE TOWN, 684-2, DEUNGCHON-DONG, GANGSEO-GU
#618, KT Moran, 1182 Sungnam-daero