Multi-Span Prefab Steel Structure Textile Weaving Mill and Garment Manufacturing Plant

• Customization: Available
• Connection Form: Bolt Connection or Welding Connection
• Feature: Anti-Corrosion, Earthquake Resistance, Easy To Install, High Intensity, Recyclable
• Model NO.: Steel Structure
• Install: Online Guidance
• Steel Grade: Q355b, Q235B (Equivalent to ASTM A572, S355jr)
• Main Steel Frame: Welded/Hot Rolled H Beam, Box Column
• Secondary Structure: C & Z Section Purlin, Tie Rod, Bracing
• Surface Treatment: Sand Blasting SA2.5 & Anti-Rust Painting
• Design Capacity: Tekla, Pkpm, Autocad, 3D Model Sharing
• Wind & Earthquake: Wind: 120-150km/H; Earthquake: Grade 8
• Life Time: More Than 50 Years
• Supply Ability: 3,000 - 5,000 Tons / Month
• Installation Guide: Complete Setup Drawings + Online Video Support
• Shipping Package: Steel Rack Packing for Heavy Beams (Easy Unload)
• One-Stop Service: Full Set Structure with All Bolts and Accessories
• Transport Package: Standard Shipping Packaging
• Specification: Customized Based on Customer's Drawing
• Trademark: YDHC
• Origin: Chongqing China
• HS Code: 730890
• Production Capacity: 5000 Tons / Month

Product Description

Product Introduction

High-Performance Prefabricated Steel Structure Buildings

Build your industrial or commercial space faster and stronger with our prefabricated steel solutions.

Versatile Applications: Ideal for large-span warehouses, multi-story factories, and agricultural sheds.
Rugged Durability: Corrosion-resistant surface treatment (Hot-Dip Galvanized or Epoxy Painting) ensuring a 50+ year service life.
Rapid Installation: Factory-prefabricated components with precision cutting for seamless bolt-up assembly.
Global Standards: Material grades Q235B/Q355B (Equivalent to S235JR/S355JR or ASTM A36/A572).
Transform your project with a safer, greener, and more efficient structural system.

Full-Kit Pre-Engineered Building Solutions

We deliver a complete building envelope. As shown in the diagram, our supply scope covers all structural elements:

Primary Frames: Rigid columns and rafter beams.

Secondary Systems: Purlins, girts, and bracing.

Cladding & Trim: Roof sheeting, wall panels, corner trims, and ridge vents.

Functional Parts: Skylights, louvers, and walk doors.

Everything is pre-cut, pre-drilled, and ready for rapid bolt-up installation.

Product Specifications

No.	Category / Component	Technical Specifications	Material / Standard	Surface Treatment
I	Main Steel Frame
1	Steel Structure Frame	Welded H-Section Beams & Columns (Built-up sections via Submerged Arc Welding, Pre-assembled testing)	Q235B / Q355B (Equivalent to ASTM A36 / A572 Gr.50, S235JR / S355JR)	Shot Blasting to Sa 2.5 + Epoxy Zinc-Rich Paint (DFT $\ge$ 80$\mu$m) OR Hot-Dip Galvanized
2	Wall / Roof Purlin	Cold-Formed C-Section or Z-Section Purlins	Q235B / Q355B (S235JR / S355JR), High-Tensile DX51D / S350GD+Z	Pre-galvanized / Hot-dip galvanized (Zinc coating: $\ge$ 120g/m² to 275g/m²)
II	Bracing System
1	Tie Rod	Circular Hollow Section (CHS Pipe): Ø89×3.0mm / Ø114×3.5mm / Ø158×4.0mm	Q235B (ASTM A53 Gr.B)	Anti-Rust Primer & Finish Painting or Hot-Dip Galvanized
2	Flexible Bracing	Solid Round Bar: Ø16mm / Ø18mm / Ø20mm with Turnbuckles	Q235B (S235JR)	High-durability Paint or Electro-galvanized / HDG
3	Sag Rod	Solid Round Bar / Steel Rod: Ø12mm / Ø14mm / Ø20mm	Q235B	Galvanized for maximum corrosion resistance
4	Brace Rod	Flange / Web Bracing, Angle Steel, or Steel Pipe (Ø32mm)	Q235B / Q355B	Galvanized or Painted
5	Knee-Brace	Angle Steel: L50×50×4mm / L50×50×5mm	Q235B (S235JR)	Anti-Rust Painted or Hot-Dip Galvanized
III	Cladding & Roofing
1	Roof & Wall Panel Option A	Corrugated Single Steel Sheet (Thickness: 0.326mm - 0.70mm)	High-Tensile Steel (G300/G550, DX51D)	Aluzinc Coated / PPGI / PPGL (PE/PVDF Coating)
2	Roof & Wall Panel Option B	Insulated Sandwich Panel (Core thickness: 50mm/75mm/100mm/150mm)	Core: EPS / Rockwool / Glasswool / Polyurethane (PU/PIR)	Double-sided Color Steel Cladding Sheets
3	Roof/Wall Trimming	Complete Eaves & Ridge System: Ridge caps, Gable trimmings, Corner flashings (0.4mm - 0.5mm)	Color Coated Galvanized Steel	Matches Wall/Roof Panel Color
IV	Windows & Doors
1	Window	PVC Frame or Aluminum Alloy Frame Windows	Single Glazing / Double Insulated Glazing	Fixed, Sliding, or Top-hung / Swing Type
2	Door	Industrial Rolling Shutter Door / Sliding Sandwich Panel Door	Galvanized Steel / Aluminum Frame	Motorized (Electric Remote Control) or Manual Operation
V	Accessories & Vent
1	Connection Bolts	Full Structural Fasteners: High-Strength Bolts (Grade 8.8 / 10.9), Foundation Anchor Bolts, Turnbuckles, Shear Studs	Carbon Steel / Alloy Steel	Black Phosphated, Dacromet, or Hot-Dip Galvanized
2	Gutter	Exterior or Interior Gutter System (Thickness: 0.5mm - 1.5mm)	Galvanized Steel Sheet / Stainless Steel 304 Grade	High corrosion resistant finish
3	Downpipe	Rainwater Downspout: Ø110mm / Ø160mm	Premium PVC / Galvanized Steel Pipe	Standard White/Blue/Grey color
4	Roof Ventilator	Unpowered Roof Turbine Ventilator (Diameter: Ø600mm)	Stainless Steel 201/304 or Galvanized Steel	Natural wind-driven, maintenance-free

Professional Design & Engineering Support

Custom Design Service: We provide full structural analysis and 3D modeling tailored to your site conditions.
Accept Client's Drawings: Send us your architectural or structural blueprints for an accurate, fast quote.
Precision Guaranteed: All components are fabricated according to the high-precision shop drawings shown above, ensuring a 100% accurate fit during on-site assembly.

Have a project in mind? Contact us to share your requirements or drawings now!

SUCCESSFUL PROJECT CASES

Main Products

Company Profile

Chongqing Yaoda Hongcheng Metal Products Co., Ltd. is a professional global supplier of metal materials, specializing in stainless steel, galvanized steel, aluminum, and carbon steel products. With years of experience in international trade and steel supply chain management, we are committed to delivering high-quality metal solutions and reliable export services to customers worldwide.

Backed by a strong network of trusted mills and long-term manufacturing partners across China, we provide a wide range of products including steel coils, sheets, plates, pipes, tubes, bars, structural steel, and customized processing products. Our materials are widely used in construction, manufacturing, machinery, decoration, energy, transportation, and infrastructure projects.

Company Advantage

Our Certificate

Package And Shipping

FAQ

Q1. What Products Do You Supply?

We supply stainless steel, galvanized steel, carbon steel, aluminum products, pipes, coils, sheets, plates and structural steel.

Q2. Can You Provide MTC and Inspection Reports?

Yes. MTC is available, and third-party inspections can be arranged before shipment.

Q3. Do You Accept Custom Sizes?

Yes. We provide cutting, slitting and custom processing services according to your requirements.

Q4. What Is Your MOQ?

MOQ depends on the product type and specification. Please contact us for detailed information.

Q5. What Are Your Delivery Terms?

We support EXW, FOB, CFR, CIF and other trade terms for global shipments.

Q6. How Fast Can I Get a Quote?

Most quotations are provided within 2–12 hours during business days.