165-8, Tonggyo-dong Mapo-gu, Seoul
Polytechnic Univ.,Jeongwang 1-dong ,Siheung-si
7-2, Yongho-dong, Changwon-si, , Gyeongsangnam-do
36, Gaetbeol-ro
13F Yeong Pung Building, 142, Nonhyeon-dong, Gangnam-gu,, Seoul
406-5,Yangjeong-dong ,Busanjin-gu