- Jinwoo Metal Company
- Non-ferrous metal products, cast & forged,Mobile Phone Accessories,Cast & Forged,Key Chain,Others.
- Address:97-4 Samjung-dong Ojung-ku
- Sin Mi Precision
- Shaft,Ball stud,Bolt/nut,cold forged Products.
- Address:1742-21,Songjeong-dong ,Gangseo-gu
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