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Head Quarter & 1st Factory

45, Ochang-eup, Cheongwon-gu, Cheongju-city,
Chungcheongbuk-do

TEL : 043)218-2183~4 / FAX : 043)218-2187

2nd Factory

56, Ochang-eup, Cheongwon-gu, Cheongju-city,
Chungcheongbuk-do

TEL : 043)215-9555~6 / FAX : 043)215-9557

3nd Factory

50, Ochang-eup, Cheongwon-gu, Cheongju-city,
Chungcheongbuk-do

TEL : 043)218-2185 / FAX : 043)215-9557

4th Factory

486 Mansuri, Osong-eup, Heungduk-gu, Cheongju-city,
Chungcheongbuk-do

TEL : 043)901-2245

5th Factory

485 Mansuri, Osong-eup, Heungduk-gu,
Cheongju-city, Chungcheongbuk-do

TEL : 043)901-2294

Directions to Head Quarters and Each Factory


· he First Route (Seoul-Green Optics)

Samil-ro toll gate > Gyeongbu Expressway > Pyeongtaek-Jecheon Expressway >
 Ochang IC > Ochang Science Industry Complex > Green Optics



· The Second Route (Daejeon-Green Optics)

Daejeon IC > Jukam Rest Area (Toward Seoul) > Jungbu Expressway Number 35 >
 Ochang Science Industry Complex > Toward Venture Zone > Green Optics