- D.W. S&T Inc.
- Steel Strappings,Teflon Lining Products,Bio Vital Pants,Investment Casting,Pipe Couplings,Special Steels,Industrial Valve,Steel Fittings.
- Address:280-21,Seongsu-dong 2-ga ,Seongdong-gu
- NOA METALS
- STEEL PLATE,STEEL SHEET,STEEL COIL,ROUND BAR,PIPE,SPECIAL STEEL.
- Address:Baeksok-dong
- ITIS Co., Ltd.
- H-Beam,Reinforcing Bar,Special Steel,Pipe,Stainless Steel.
- Address:Cheongcheon-dong
- MD Special Steel
- Alloy QT round bar, Stainless steel pipe, Free cutting steel bar, High carbonwire, Special steel round bar.
- Address:342, Sucksu-dong
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