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Business Registration Number : 142-81-18462 | CEO : Shin, Kwang-Seob | 16878 4F Daou Digital Square, 81 Digitalvalley-ro, Suji-gu, Yongin-si, Gyeonggi-do, Korea.
Tel : 031)223-0772 . Fax : 031)223-0773 | Copyright © 2015 E&ST All rights reserved.