- YOOSUNG TNS CO., LTD.
- Address:165-17, Nonhyun-Dong, Kangnam-Gu
- Steel Track Inc.
- Address:Hanil Town 129-2002, 881 Chowon-dong, Jangan-gu
- DEO JOHN CO.,LTD.
- Address:434-191 O-ruy-dong
- Hanjung Steel Co., Ltd.
- Address:Rm. 1014, Hyundai 41 Tower, 917-9, Mok 1 Dong, Yangcheon Gu
- Mirae Steel International Company
- Address:#403, Hosan B/D,4-ga, Jungang-dong, Jung-ku
- Royal Eg Co., Ltd.
- Address:1048-10,Singil-dong ,Danwon-gu, Ansan-si
- JK Tech GMN
- Address:# 416, Metro Theoville,
- youngjin non ferrous metal scrap
- Address:Incheon
- Garam Trade co., Ltd.
- Address:308-1305, samsungdong, Kwan-akgu
- Tokai Carbon Korea Co., Ltd
- Address:271-2,GYERUK-RI, Miyang-myeon ,Anseong-si
- SAC
- Address:175-87 ANKUK BLDG. ANKUK-DONG, JONGRO-GU
- Ecomaister Co., Ltd.
- Address:581-1,Gajwa-dong ,Seo-gu
- Kishin Corporation
- Address:439,Nonhyeon-dong ,Namdong-gu
- Taewoo Metal Co., Ltd.
- Address:664-10 Seonggok-dong,Seonggok-dong ,Danwon-gu, Ansan-si
- MG RESOURCE CO LTD
- Address:3F. , Seokjin BLDG. , 419-5 Gangnam-gu
- "Vorisiyon"
- Address:Sin Dang dong 1000
- JuAn Corporation Ltd
- Address:7F, Dong-il B / D, # 223-5, Beomeo 2-dong,
- Sejong Major International co.,ltd.
- Address:490, Shincheong-Dong
- Daeho Industries Ltd.
- Address:741-8,Wonsi-dong ,Danwon-gu, Ansan-si
- Asian Ceratec Corporation
- Address:192-1,Sangpyeong-dong ,Jinju-si