9th floor 202/907, 397, seokcheon-ro, Samjeong-Dong, Ojung-Gu,
402 Nex-center, SK n Techno-park, Sangdaewon-Dong, Jungwon-Gu,
245-3 Seohyeon-dong, Bundang-gu
RM# 820, SUNG SU ACADEMY TOWER BD., 277-17, SUNG SU 2GA 3DONG, SUNG DONG GU SEOUL,
776-6, Wonsi-dong, Danwon-gu