Material: 
Hot Rolling H-steel(Q235B or Q345B) and variable cross-section composed with welding steel 
Single Deck Color sheet
20-150mm Sandwich Panel 

Structure: Welding H-steel 
Purlin: C-section channel or Z-section channel or Square Tube 
Column bracing and transverse bracing: Angle steel, H-section steel or steel pipe 
Roof gutter: Galvanized Steel sheet 
Roof ridge: Corrugated steel sheet 
Roof cladding: Sandwich panel or corrugated steel sheet with fiberglass wool coil 
Wall cladding: Sandwich panel or corrugated steel sheet 
Wrapping cover: Color steel sheet 
Tie rod: Circular steel tube 
Brace: Round bar 
Knee brace: Angle steel or Stainless Steel 
Rainspout: PVC pipe or Color Coated Sheet 
Doors: Electric Rolling Door or Color Plate Sliding Door or Vertical Hinged Door 
Windows: Aluminum Alloy Push-pull Window or window-shades 
Connections: High strength bolts 

Features: 
Eco-friendly High Strength, Energy Saving, Short Construction Period, High Seismic Coefficient, The Steel Structure has the combination of strength and beauty. 
Low costs and maintenance heat preservation, heat insulation, Waterproof 
Lifespan: Up to 50 years 
Stable and earthquake resistance, up to 9 grade 
Fast construction, saves time and labor costs 
Good appearance