- Seokjin Steel Co.,Ltd.
- Egi, Gi, Hgi, Gal, Sts,,steel coil.
- Address:Waegwanup
- Dong-a steel
- pipe,skelp,HR,HGI,galvanize,c channel,color pipe,pipe.
- Address:woochang bldg 4F 152-2 gamjeon-dong
- YUIL STEEL
- Pipe (HR / Cr) And Egi / CGI / Hgi Strip.
- Address:Gyeonggi-Dobucheon-Si219-13, Nae-Dong, Ojeong-Gu
- ITSP Corp.
- HGI EGI Welded Tube and pipe,Light welded beam,wire mesh,Steel Fiber.
- Address:Suite# 705, HItech Valley B / D, Sangdaewon-Dong
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