- Woo Lim Metal Co., Ltd
- Address:Mi Kum
- Kyongin Special Metal Co., Ltd.
- Address:717-8,Kojan-dong ,Namdong-gu, Inchon
- S&T COREA
- Address:RM 407,Gyeong-Nam International Trade Center, 7-4 YongHo-Dong
- Aaron Trading
- Address:Seoul
- DOHO Co., Ltd.
- Address:1470 ACEHIGHTECH21 2007-2
- 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
- Allntech Inc.
- Address:10F, Samgong Bldg, 136chungjin-dong
- Haewae Cem
- Address:1597-6,Seocho 3-dong ,Seocho-gu
- kang mb
- Address:gangnamgu
- 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
- Dong Yang Rope Mfg. Co., Ltd.
- Address:333-1, Janglim-Dong, Saha-Gu
- World Trading & Marketing
- Address:1901 Daewoo Richion Officetel, Jamsil-dong, Songpa-gu
- CT Chemical Co., Ltd.
- Address:Yeoksam-Dong, Kangnam-Gu
- K-TECO
- Address:
- Indah Industries, Inc.
- Address:241,Onyang-eup ,Ulju-gun
- YOOSUNG TNS CO., LTD.
- Address:165-17, Nonhyun-Dong, Kangnam-Gu