Building Steel Structure

Zhongda Steel Structures is professional Building Steel Structure manufacturers and factory in China, specialized in providing wholesale bulk customized Building Steel Structure in stock with discount price. For quotation, contact us now.

Shenyang Zhongda Steel Structure Engineering Co., Ltd. Prefabricated steel structure workshop & warehouse product information

Material and process details

Main Frame

Steel Component Fabrication: 100% factory prefabrication, utilizing CNC cutting and H-beam assembly machine welding, with welding quality meeting GB/T 12469-2016 standards. Surface treatment includes shot blasting (Sa2.5 grade), epoxy zinc-rich primer (80μm), and acrylic topcoat (60μm), providing a rust-resistant lifespan of over 15 years.

 

 

 

Envelope Options

Performance Highlights & Competitive EdgesStructural Performance

• Seismic fortification intensity: 8 degrees,Wind load resistance: 0.55–0.75 kN/m² (adapted to Northeast China climate),Design service life: 50 years
• Lightweight & Large-Span Advantages：60 % lighter than concrete; 30 m clear-span achievable, increasing usable space by ≥ 20 %

Customization & Speed

• Flexible design: accept client drawings; free preliminary 3-D concept; optional crane beams, ventilating skylights, firefighting systems
• Fast delivery: 15–25 days production for standard items; erection of 1,000 m² in 7–10 days; overall schedule 50 % shorter than concrete

Certification & Quality Control

• International: CE (EN 1090), ISO 9001; mill certificates available for all materials
• QC pipeline: raw material spectral test → three in-process inspections → pre-shipment load test; 100 % pass rate

 

 

 

Supplier service guarantee

Service Process

One-stop service: demand communication → solution design → quotation confirmation → contract signing → production and manufacturing → logistics distribution → installation guidance → after-sales quality assurance.

After-sales and warranty

• Warranty period: 10 years for the main structure, 5 years for the enclosure system, and lifelong technical support.
• Customer satisfaction: The customer satisfaction rate of the past three years is 98.5%, and the repeat order rate is 65% (data source: internal company statistics).

If you need a detailed quotation or customized solution, please provide your specific requirements (area, span, purpose, etc.) and our technical team will issue a preliminary solution within 24 hours.

Area-based Pricing Tiers

Structural parameters and customization range

• Span: Single span 8m-30m, maximum span for multiple spans 60m (e.g., 30m + 30m), column spacing 6m-9m.
• Eaves Height: 4m-12m (standard), custom heights up to 15m possible (load requirements required).
• Load Capacity: Roof load 0.3-1.0kN/㎡, wall load 0.5kN/㎡, crane load 5-50 tons (to be specified in advance).
• Steel Specifications: Main structure utilizes Q235B (standard)/Q345B (high-strength), purlins utilize Q235 cold-formed steel, plate thickness 6mm-20mm, and steel consumption per square meter 18-45kg