4F. Younguang Bldg., 680-5, Deungchon 3-dong Kangsue-koo, Seoul
615 Sicox Tower, #513-14, Sangdaewon-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do
#573 Chungbuk National Univ., Gaesin-dong, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do
255-53, Yongdoodong, Dongdaemoon-gu, Seoul, Seoul