- Yoojin Material Ind. Co., Ltd
- Cast Iron Powder.
- Address:223-269,Seongnam-dong ,Seo-gu
- EBCO
- Iron Dust,Iron Powder,Bottom Ash.
- Address:802-19 Anrak-1Dong, Dongnae-Gu,
- NTbase Co., Ltd.
- silver powder,copper powder,aluminum powder,molybdenum powder,nickel powder,tin powder,zinc powder,iron powder,titanium nitride powder.
- Address:770-2 Yubangdon Cheoingu
- Global Interactive Resource corporation
- copper powder,iron scrap,nonferrous metal,glass.
- Address:2FL, # 394-77 Nuga Bld, Seogyo-Dong
- Kratos Co., Ltd
- recycled plastic resin,golf balls,iron powder,scrap,Plastic Resins.
- Address:451-63, Yonghyun-Dong, Nam-Gu
- EnerGlobal(KO)
- silicon ingot tops,M100,coal,iron Ore,iron powder.
- Address:Flat / Rm 201 Golden Gate Comm. Bldg. , 136-138, Austin Road, Kowloon
1