SD XJY Pipe | Steel Tubes & Section Steel | Sharp-Corner Patented - SD XJY Pipe
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    Patented

    Sharp-Corner Rectangular Tube

    R ≈ 0 right-angle sections, 2,800+ specifications, wall thickness up to 40 mm.

    Cross-section illustration of a patented sharp-corner rectangular steel tube Request a Quotation
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SD XJY Pipe | Steel Tubes & Section Steel | Sharp-Corner Patented logo

Original inventor of sharp-corner (right-angle) rectangular steel tube in China. 41 invention patents, 3 production lines, 2,800+ specifications, exporting to 50+ countries.

Certifications

  • ISO 9001:2015
  • Lloyd's CE
  • EN 10210 / 10219
  • Singapore FPC
  • SGS Verified
  • BV Verified

Products

  • › Sharp-Corner Rectangular Tube
  • › Square & Rectangular Hollow
  • › Round Steel Pipe
  • › H-Beam & I-Beam
  • › U & C Channel
  • › Angle Bar

Company

  • › About SD XJY Pipe
  • › Patented Technology
  • › Certifications
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  • › Request a Quotation

Contact

Shandong Xin Jiyuan Special Steel Tube Co., Ltd.

No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China

Phone / WhatsApp

+86 188 5315 7756

Email

admin@sdxjysteel.com
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© 2026 Shandong Xin Jiyuan Special Steel Tube Co., Ltd. All rights reserved.

Steel Pipe & Section Steel Division · 41 Patents · Exporting to 50+ Countries