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Welding Line

Advanced Welding Technology. Strong & Reliable.

ZZ Steel has multiple automated welding production lines to ensure high welding quality, high production efficiency and stable performance. Our welding lines are widely used in the production of transmission towers, steel poles, crossarms and substation structures.

Advanced TechnologyAutomatic welding,
high precision
Reliable QualityStable weld quality,
strong & reliable
High EfficiencyAutomated production,
fast delivery
Strict ControlFull process quality
inspection
ZZ Steel automated welding production line
6+Welding Production Lines
200+Skilled Welders
100%Automatic Welding
ISO 3834Welding Quality Standard
80,000+ TonsAnnual Welding Capacity

Our Welding Lines

We have advanced automated welding lines to meet different products and requirements.
Each welding line is designed for high efficiency, high quality and safe production.

Steel pole automatic welding line

Steel Pole Welding Line

  • Automatic submerged arc welding (SAW) for steel poles
  • High welding efficiency and beautiful weld appearance
  • Suitable for various pole diameters and thicknesses
Capacity: 20,000+ Tons / Year
Crossarm robotic welding line

Crossarm Welding Line

  • Robotic SAW for crossarms
  • High positioning accuracy
  • Consistent weld quality
  • Suitable for various section sizes
Capacity: 5,000+ Tons / Year
Tower member welding line

Tower Member Welding Line

  • Automatic welding for angle steel and tubular members
  • Multi-gun welding, high efficiency
  • Strong penetration and high strength
Capacity: 25,000+ Tons / Year
Substation structure welding line

Substation Structure Welding Line

  • Welded structures for substation and switchyard
  • High quality and dimensional accuracy
  • Suitable for heavy steel structures
Capacity: 10,000+ Tons / Year

Welding Process & Control

01. Material InspectionCheck material certificate and dimensions
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02. Parts PreparationCutting, drilling, beveling and fit-up
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03. Automatic WeldingSAW / GMAW / FCAW robotic welding
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04. Weld InspectionVisual inspection and NDT testing
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05. Weld TreatmentGrinding, straightening and cleaning
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06. Final InspectionDimension check and quality confirmation

Advanced Welding Equipment

Submerged arc welding equipmentSubmerged Arc Welding (SAW)
Robotic welding systemRobotic Welding System
Automatic welding positionerAutomatic Positioner
Welding power sourceWelding Power Source
Welding rotator and roller bedWelding Rotator & Roller Bed
Certified ZZ Steel welder

Our Advantages

  • ✓Advanced automated welding technology
  • ✓High welding efficiency and stable quality
  • ✓Experienced and certified welding team
  • ✓Strict quality control and full process inspection
  • ✓Compliance with international standards: ISO 3834, AWS D1.1, EN 1090

Quality Inspection

Visual Inspection
UT Inspection
MT Inspection
RT Inspection
Dimension Check

All welding processes are strictly monitored to ensure the highest quality
and reliability of our products.

Strong Welding. Strong Structure. Safe Power.

ZZ Steel is your reliable partner for high quality welded steel structures.

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