- Jung Won Steel
- Address:9-10 Gonghang Dong
- Cheong-Sol Eng Co.,Ltd
- Address:710, RivertowerI, 94-119, Yeongdeungpo-Dong 2Ga, Yeongdeungpo-Gu
- Gyowwsteel.co.ltd
- Address:jungdongn
- CHS corp
- Address:Wongok-dong
- Hungseng Trading Co., Ltd.
- Address:1, Jungang-dong 3-ga, Jung-gu
- GUMSUNG TECH CO LTD
- Address:96-10 bongdam buncheon
- HANKOOK STS Co., Ltd.
- Address:514-14 Gamjeong-dong, Sasang-gu
- Duk Chin Steel
- Address:514-14 Gamjeon-dong Sasang-gu Busan South Korea
- Hyunjin Steel
- Address:563 Sinpyung-dong, Saha-gu
- HSST
- Address:103-503, Boram-Apt. , 2-Ga, Seodaeshin-Dong
- WOOJEONG TRADING CO.
- Address:514-17, KAMJUN-DONG, SASANG-GU.
- kunyopung TnC Co., Ltd.
- Address:105-903 Hanmaul Apt. , Gaebong-Dong
- JAWON MOA Co.,
- Address:Haeundae
- Nexus, INC.
- Address:Songdeok Bldg. # 402 Dorim2-Dong
- SP International co.
- Address:Rm 1901 Youksam-venturetel 642-1 Youksam-dong Gangnam-gu
- KOREA T.A.S INDUSTRY CO.,LTD
- Address:818-11 Myeongdong-fi, Hanlim-myeon,
- Global trade corea
- Address:# 1814 Acro Place Kawanyang Dong Dongan Gu
- ibs21
- Address:704 Sambo Bldg. 112-25 Sogong-dong
- Shinwoo Special Steel co., LTD
- Address:1646-3, songjung-dong,
- Nano steel Co., Ltd
- Address:411 ChungSong-Core Building