- HAEDONG ENG
- Address:153-22, GAMJUN-DONG
- PNS CO.,LTD
- Address:828-8, DONGSAM DONG
- Steel Flower Co., Ltd.
- Address:1769-2,Songjeong-dong ,Gangseo-gu
- Dongwon Pipe Co., Ltd.
- Address:42-6,Ihyeon-dong ,Seo-gu
- SNC CORP
- Address:woo man dong
- Ibm Cheol Kun Co., Ltd
- Address:148-58,Gajwa-dong ,Seo-gu
- Hosken Steel Co., Ltd.
- Address:336-1, Sodong-Ri, Chungha-Meon, Buk-Gu
- Hongduk Steel Cord Co., Ltd.
- Address:758,Daesong-myeon ,Nam-gu, Pohang-si
- Sung Bu Rope
- Address:716-6, Najeon-Ri, Saengrim-myeon
- Hangillogistics
- Address:Yakjun-ri
- You One Marketing Co., Ltd.
- Address:RM 301, KILBUN B/D, 1685-32, BONGCHUN-DONG, KWANAK-KU
- HanShang Metal Resource inc
- Address:Seoul Bldg 2F, 49-1 Samsung-dong, Kangnam-ku, Seoul , Korea
- Fine Steel Co., Ltd.
- Address:230-4,Hakjang-dong ,Sasang-gu
- Jawon Exploitation Company
- Address:4th Fl, Jawon B / D, 913-31 Daechi-Dong, Gangnam-Gu
- CJ O Shopping
- Address:Samsung C & T Corp. Bldg. Seocho 2-Dong, Seocho-Gu
- Shentra Co., Ltd
- Address:3710, Daejeo2-Dong, Gangseo-Gu
- Steelplus Corporation
- Address:1304, Byuck San Digital Valley 9, 5-Ga, Mul Lae-Dong, Yeong Deung Po-gu
- Ktmtech
- Address:316, Hyungjin Plaza, 313-3, Kansuck-Dong, Namdong-Ku,
- A-SHIN TRADING CO.,LTD
- Address:Eobang-dong
- Kyung Sung Blade
- Address:71B/2L,Gojan-dong ,Namdong-gu