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635-2, Donaeri, Wollong-myeon
Paju-si Gyeonggi-do Rep. of Korea, 413-812
TEL : +82 (031) 942 9332 FAX:+82 (031) 942 9304
e-mail jnlee@kkdc.kr
503, Woori Venture Town, 684-2 Deungchon-dong,
Gangseo-gu, Seoul, Rep. of Korea, 157-754
TEL : +82 (02) 3664 9333 FAX:+82 (02) 3662 9340
e-mail system@kkdc.co.kr