| Yangjae Office |
2620, Nambusunhwan-ro, Seocho-gu, Seoul, Republic of Korea (06737) |
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| Sihwa Factory |
101, Gongdan 1-daero, Siheung-si, Gyeonggi-do, Republic of Korea (15085) |
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| Daegu Factory |
255, Seongseo-ro, Dalseo-gu, Daegu, Republic of Korea (42704) |
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| Chungju Factory |
73, Judeongnonggong-gil, Judeok-eup, Chungju-si, Chungcheongbuk-do, Republic of Korea (27462) |
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| Cheongju Factory |
88, Sandan-ro, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do, Republic of Korea (28578) |
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| Seocheon Factory |
52, Jongcheongongdan-gil 14beon-gil, Jongcheon-myeon, Seocheon-gun, Chungcheongnam-do, Republic of Korea (33613) |
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| Sejong Factory |
15, Jindong-gil, Geumnam-myeon, Sejong-si, Republic of Korea (30086) |
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