502. younghyun bldg,nonhyun-dong, gangnam-gu seoul,
5 F, Woosung Building, 1000-1, Daechi-dong Gangnam-gu, Seoul
#1904, SungJi Heights ? Building, 702-13, Yeoksam-dong, Kangnam-Ku, Seoul
Room 502 Yonghuyn Bldg., 10-12, Nonhyun-dong Gangnam-gu, Seoul