• Home
  • About Us
    About Us
    • Corporate Profile
    • Management Structure
      • Organization Chart
      • Board of Directors
      • Executives
    • Awards & Standards
      • Awards
      • Certification
      • Industrial Standards
  • Our Product
    Our Product
    • Steel Grades & Specifications
    • Coil Mass & Dimensions
    • Certificate
    • Production Process
  • Investor Relations
TH EN
  • Home
  • About Us
    • Corporate Profile
    • Management Structure
      • Organization Chart
      • Board of Directors
      • Executives
    • Awards & Standards
      • Awards
      • Certification
      • Industrial Standards
  • Our Product
    • Steel Grades & Specifications
    • Coil Mass & Dimensions
    • Certificate
    • Production Process
  • Investor Relations
  • News & Media
    • News
      • Corporate News
  • Join Us
    • Available Positions
    • Online Application Form
  • Contact Us
    • Contact Us
    • Raw Material Seller Contact Form
Awards Certification Industrial Standards
Environmental Product Declaration (EPD)
Download
SIRIM QAS International PC003567
Download
SIRIM QAS International PC 003570
Download
SIRIM QAS International PC 003568
Download
SIRIM QAS International PC 003566
Download
Lloyd’s Register (ISO 50001:2018)
Download
Lloyd’s Register (ISO 45001:2018)
Download
Lloyd’s Register (ISO 9001:2015) UKAS
Download
Certificate of Conformity (CE Mark)
Download
Certificate of Laboratory Accreditation
Download
Declaration of Performance (EN 10025-2:2004)
Download
Lloyd’s Register (ISO 14001:2015) UKAS
Download
  • 01
  • /
  • 03

Contact Us

G J Steel Public Company Limited

88 PASO Tower 24th Floor Silom Road, Suriyawong, Bangrak, Bangkok 10500
Tel: +66(0) 2267 8222
Email: info@gjsteel.co.th
Visit Our Holding Company Nippon Steel Corporation

Topics

  • About Us
  • Our Product
  • Investor Relations
  • News & Media
  • Join Us
  • Contact Us

Related Links

  • SET G J STEEL
  • GSTEEL
  • SET GSTEEL
logo gjs

© Copyrights 2025 G J Steel Public Company Limited. All rights reserved.

  • Sitemap
  • Terms & Conditions
  • Cookies Policy
  • Privacy Policy