Precision Fabrication. Zero-Defect Delivery.

Backed by advanced CNC equipment and rigorous NDT (Non-Destructive Testing) protocols, we transform engineered blueprints into high-precision structural steel components compliant with international standards.

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Raw Material & Traceability

Top-Tier Steel Mills Only: We source raw steel plates and profiles exclusively from tier-1 steel manufacturers (e.g., Baosteel, Ansteel) with Grade Q355B / Q235B (equivalent to ASTM A572 Gr.50 / A36).

100% Material Traceability: Every batch of raw material is delivered with a Mill Test Certificate (MTC) matching the heat number, ensuring structural integrity from the very source.

Core Fabrication Process
CNC Cutting & Drilling
High-precision CNC plasma and flame cutting machines ensure cutting tolerances within ±1.0mm. Automated CNC drilling guarantees 100% bolt-hole alignment.
Automated Welding
Heavy-duty H-beam submerged arc welding (SAW) operated by AWS/EN certified welders. Penetration and weld quality meet international structural codes.
Sa2.5 Shot Blasting
Complete surface treatment via automatic shot blasting machine to reach ISO 8501-1 Sa2.5 class, removing all rust and mill scale for maximum paint adhesion.
Anti-Corrosion Coating
Applied with high-build epoxy zinc-rich primer and polyurethane topcoat (or Hot-Dip Galvanizing), precisely controlling Dry Film Thickness (DFT) for harsh overseas climates.

100% Trial Assembly Check Before Shipment

Factory Pre-Assembly

To eliminate on-site erection errors in overseas destinations, critical structural joints and complex multi-story frames are pre-assembled in our factory prior to painting. We double-check 3D spatial dimensions against Tekla models to ensure seamless on-site bolting.

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QC Inspection & Packaging

  • UT/MT Weld Testing: Ultrasonic & Magnetic Particle Testing for critical load-bearing welds.
  • Full QC Dossier: A complete inspection report (Dimensions, Weld NDT, DFT report) is issued before container loading.
  • UT/MT Weld Testing: Ultrasonic & Magnetic Particle Testing for critical load-bearing welds.
  • Full QC Dossier: A complete inspection report (Dimensions, Weld NDT, DFT report) is issued before container loading.
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