#723-4, Wonsi-dong, Danwon-gu, Ansan-si, Gyeonggi-do, 425-851, Korea | Chairman : Han Jong, Lee | Sung Jin M-Tech
Tel. 031) 495 - 8484 | Fax. 031) 492 - 6239 | E-mail. sjmt@chol.com | sjnc@chol.com