Location
Star Tower #1308, 37, Sagimakgol-ro 62beon-gil, Jungwon-gu, Seongnam-si, Gyeonggi-do, Republic of Korea
Tel. +82-31-721-8477
Fax. +82-31-721-8177
E-mail. ocutech@daum.net / ocutech3@daum.net