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CEO column
FOLLOW US
544, Dunchon-daero, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea ; zip_13230
T_ +82-31-737-8888 F_ +82-31-737-8800 E-MAIL_ yoi@yoisys.com
Copyright © 2016 yoisystem. All rights reserved.