SeAH Changwon Integrated Specialty Steel Co Ltd

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Based in Changwon-si, Gyeongsangnam-do, South Korea. Established in 1966. SeAH Changwon Integrated Specialty Steel Co Ltd (formerly known as POSCO Specialty Steel Co Ltd) is a producer of high quality steel wire rod, bar, tube and pipe for automobile, machinery, and nuclear power plants, ship-building, aeronautics and electronics applications.


  • 147 Jeokhyeon-Ro, Seongsan-Gu  

Town, State, Country

  • Changwon, Gyeongsangnam-Do, Korea (South)  


  • 642-370 
  • Year Established 1966
  • No. of employees 1,001-5,000
  • Ownership SeAH Group, Korea (South)
  • End User Industries Automobile, energy, ship-building, aerospace, white goods
  • Export Markets United States, Japan, Asia, Australia, Germany, Taiwan, China, Malaysia, South Africa, Singapore, United Kingdom, India, Italy, United Arab Emirates, Vietnam


  • ISO/TS 16949
  • ISO 9001
  • ISO 14001
  • AD-2000 Merkblatt
  • Germanischer Lloyd

Trade Association Membership

  • ISSF - International Stainless Steel Forum


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