Changwoo Electronics Co., Ltd. 501Ho, Dearyung Techno Town 8 Cha, Gamasan-ro, Geumcheon-gu, Seoul, Korea, 08501 Tel : +82 2 2689 8135 Fax : +82 2 2617 8134 Email : walsin@changwoo.com

JOHEUNG ELECTRONICS Co., Ltd.. ChungAng Circulation Complex, Ga-3508, 15, Gyeongin-ro 53-gil, Guro-gu, Seoul,Korea  08217. Tel: +82-2-6679-3968,3969 Fax: +82-2-66799-3967 Email:joheung4725@hanafos.com http://www.e-joheung.com

SCANKO CO.,LTD. 7, Seokcheon-ro 531beon-gil, Ojeong-gu, Bucheon-si, Gyeonggi-do South Korea 14400 Tel: +82 70-4110-9931 Fax: +82 32-682-5486 Email:sunny_0322@hanmail.net

HANSEUNG S.T Co.,Ltd. #3205-7, Ma-Dong, 15 Gyeongin-ro 53-gil, Giro-gu, SEOUL of KOREA Tel: +82-2-6679-4653~5 Fax: +82-2-6679-4656 Email:hanljh@hsst.net

TAEKYONG CHIPS CO.,LTD RM3407~11 Ma-Dong, Chungang Circulation Complex, 1258,Kurobon-Dong,Kuro-Ku, Seoul , Korea Tel: +82-2-2681-3332 Fax: +82-2-2686-2667 Email: tk4405@hanmail.net http://www.taekyongchips.co.kr

WISECOM CO.,LTD Mr.Pil Seon,Jang-Admin Div/General Manager. 12th Floor, DaeryungTechnotown 21th, 1126, Beoman-ro, Geumcheon-gu, Seoul, Republic of Korea Tel: +82-2-2626-6400 Fax: +82-2-2626-6460 / +82-2-2626-6470 Email:jpsman@wisecomponent.co.kr http://www.wisecomponent.co.kr

DONGBOOK ELECTRONICS Na-4203, 15, Gyeongin-ro 53gil, Guro-gu, Seoul, Republic of Korea, 08217 Tel : +82-2-2101-5000 Fax : +82-2-2101-5001 Email : hmlee@dongbook.co.kr

AHN Corporation A Tower 1310，99 Sagimak-gol-ro, Jungwon-gu, Seongnam-si, Gyeonggi-do, South Korea 13201 Contact: Jered Ahn Tel: +82 31 7896950 Fax: +82 31 7896952 Email : jered.ahn@ahn-corp.co.kr