Large span steel structure portal frame buildings provide cost-effective, durable solutions for industrial construction needs. These prefabricated systems offer excellent structural integrity with spans ranging from 4000mm to 15000mm and heights from 200mm to 2400mm.

• Base: Cement and steel foundation bolts
• Main Frame: H beam (Q235B, Q345B or custom materials)
• Purlin: C or Z purlin sizes from C120~C320, Z100~Z200
• Bracing: X-type or other bracing from angle, round pipe
• Bolts: Plain bolt and high-strength bolt
• Roof & Wall: Sandwich panel or color plate
• Sheet Thickness: 0.5mm or 0.6mm galvanized sheet
• Surface Protection: Two layers of anti-rust painting or hot dip galvanized

• Lower cost with attractive appearance
• High safety performance and structural integrity
• Easy assembly and disassembly with minimal tools
• Manufactured under ISO9001 quality control system
• Professional installation guidance from experienced engineers
• Environmentally friendly and non-polluting construction
• Excellent seismic performance and flexible layout options
• Superior insulation properties and long service life

• Industrial workshops and manufacturing facilities
• Warehouse storage and logistics centers
• Agricultural barns and farming structures
• Commercial office spaces and retail buildings
• Repair shops and mechanical service centers
• Medical warehouses and healthcare facilities
• High-rise building projects and portal frame structures

We provide comprehensive design services using 3D modeling software including PKPM and Tekla. For custom projects, please provide the following design parameters:

• ISO9001:2008 certified manufacturing processes
• Third-party inspection available (SGS, BV, TUV)
• Detailed installation drawings and technical support
• Supervisor guidance for on-site installation
• Turnkey project solutions available