Samjung B/D, 1661-10, Bongcheon 7-dong, Gwanak-gu,, Seoul
Rm201 Ilsung bldg, Yangjae-dong Seocho-ku, Seoul
#506, Tech-Center, SKn Technopark, 190-1, Sangdaewon-dong, Sungnam-si, Jungwon-gu,, Gyeonggi-do
#306 Sumiso Bldg. 3Fl. 25, Gaun-ro 1-gil, Namyangju-si,, Gyeonggi-do