- dongkyung industry co.,LTD
- Address:# 1591-3, songjeong-dong, kangseo,
- Eco Resource
- Address:1705 Garden Tower wooni-dong, jongno-gu
- World Industries Co. (South Korea)
- Address:29-3 Gupyung-Dong,
- Sunglim P.S. Co., Ltd.
- Address:# 1301 Namsung Plaza, Gasan-dong
- HJ METALKOREA CO LTD
- Address:# A-607, Gajwa Model Industrial Zone, 178-78, Gajwa-dong,
- Saehan Media Corporation
- Address:8Fl,Gajwa-dong ,Seo-gu
- Korea Clad Tech CO., Ltd.
- Address:1-24
- BARAKAH INTERNATIONAL
- Address:1201-Risevill Building, 1082-7, Geysan-Dong,
- Abra Construction Co., Ltd.
- Address:571, Gosan-Ri, Opo-Eup
- Daedong Engineering
- Address:345-16, Geumsan-ri, Tanhyeon-myeon
- Jeis company
- Address:901-301, Muwon Village, Haengshin-dong 697, Dukyang-ku
- NARD CORPORATION
- Address:597, Myeonghak-Ri, Dong-Myeon, Yeongi-Gun, Chungcheongnam-Do
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