- ROMA Steel co.,
- Address:A-1218, Twintower, 275-4, Yangjae-dong
- Baci Trading Co., Ltd
- Address:244-7,bugok-dong
- DMD Center Co,.Ltd
- Address:2F, DMD B / D, 19-1, Changjeon-dong
- Hcmi
- Address:Jungnam Myun
- Allntech Inc.
- Address:10F, Samgong Bldg, 136chungjin-dong
- Boram Chemetal
- Address:Yecheon-gun Jinae-ri 311-8
- Il Shin Taekwang Metal Co., Ltd.
- Address:604-1,Seonggok-dong ,Danwon-gu, Ansan-si
- Samhwa Metal Co., Ltd.
- Address:267,Palbokdong 2-ga ,Deokjin-gu, Jeonju-si
- Haewae Cem
- Address:1597-6,Seocho 3-dong ,Seocho-gu
- kang mb
- Address:gangnamgu
- DUCKSUNG CO LTD
- Address:Chaesin-Dong 588
- Seal Trading Inc.
- Address:151 Sachang-ri,Yungnyeong-ri ,Geumwang-eup ,Eumseong-gun
- DAEHO STEEL CO.,LTD
- Address:1752-1, SONGJEONG-DONG KANGSEO-GU
- hyeok pak
- Address:174-7
- D.W. S&T Inc.
- Address:280-21,Seongsu-dong 2-ga ,Seongdong-gu
- Han Yang S&C
- Address:Unsu dong# 317
- Pizen Corp.
- Address:35-13, Nowon-3ga, Buk-gu, Daegu 702-814, Korea
- Korea Metal Ind. Co., Ltd.
- Address:166-1,Gasan-ri ,Gasan-myeon ,Pocheon-si
- BOTO CORP.
- Address:512-301, 403, Beonyeong-ro
- HANKOOK STS Co., Ltd.
- Address:514-14 Gamjeong-dong, Sasang-gu