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Multi-Span Poly Greenhouse
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- Product Description
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- Commodity name: Multi-Span Poly Greenhouse
General Introduction
Multi-Span Gutter Connected Poly Greenhouse
The multi-span gutter connected poly greenhouse adopts integrated hot-dip galvanized bolt-assembled steel structure and high-performance functional agricultural film covering.
All structural components are factory prefabricated with standardized dimensions, no on-site welding, ensuring high stability, strong wind & snow resistance, excellent corrosion resistance, and long service life.
It is the most cost-effective and widely adopted commercial greenhouse solution for global large-scale horticulture production.
Product Description
Steel Structure Full Technical Specification
Standard: Q235B low carbon hot-rolled structural steel.
Feature: High toughness, good ductility, stable mechanical performance, suitable for long-term outdoor load-bearing structure.
Process: Full hot-dip galvanized after pickling and rust removal. Zinc coating weight: ≥275g/㎡ double-sided zinc layer. Post-treatment: Passivation & anti-oxidation sealing.
Lifespan: 15–20 years rust-free under normal inland/coastal outdoor environment. Maintenance: Zero repainting required during service life.
Main Column 80×40mm / 100×50mm rectangular tube, 2.0–2.5mm thicknessGutter Beam Special cold-formed greenhouse gutter, 2.0–2.5mm thickness, integrated drainage slope design, zero water accumulationArch Pipe Φ32mm / Φ38mm round tube, 1.5–2.0mm thickness, spacing 0.8m–1.0mHorizontal Ties & Diagonal Braces Galvanized round pipe & flat steel, forming rigid overall truss systemBolts, Nuts, Brackets, Fittings Fully hot-dip galvanized matching accessories to avoid electrochemical corrosionSpan 6m / 8m / 9.6m / 10m / 12mBay 4m / 5m / 8mEave Height 3.0m–8.0m customizableWind Load Resistance 0.45 kN/㎡, 10–12 level strong windSnow Load Resistance 0.50 kN/㎡, heavy snow area applicableRoof Live Load 0.20 kN/㎡ for maintenance & equipment installationCore Advantages
Greenhouse Film Covering Full Technical Specification
We provide high-grade multi-layer co-extruded PO film (main configuration) and high-quality PE film (economy option) for selection, with complete functional additives for commercial long-cycle planting.
01Material Classification
Standard Configuration: PO Polyolefin Functional Film (Premium Grade)
Optional Configuration: PE Polyethylene Agricultural Film (Economic Grade)02Standard Film Thickness
Available thickness: 0.08mm / 0.10mm / 0.12mm / 0.15mm / 0.20mm
Commercial mainstream: 0.12mm / 0.15mm03Light Transmission & Optical Performance
PO Film Light Transmittance: ≥92%–95%
PE Film Light Transmittance: 85%–89%
Light type: Scattering diffused light design
Haze rate: ≤20%
Advantage: Uniform indoor lighting, eliminate shadow zones, prevent crop sunburn, promote balanced photosynthesis04Anti-UV & Anti-Aging Performance
UV resistance grade: Long-term anti-ultraviolet formula
Anti-aging lifespan:
PO Film: 3–5 years service life
PE Film: 2–3 years service life
Effect: Resists strong sunlight aging, cracking, and embrittlement under high-temperature outdoor environment05Anti-Drip & Anti-Fog Function
PO Film: Permanent nano-coating anti-fog & drip-free technology
Valid functional period: 8–12 months continuous anti-drop & anti-fog
PE Film: Migratory additive anti-drip
Advantage: No water droplet dripping, reduce indoor humidity, effectively restrain fungal diseases, improve crop yield and quality06Thermal Insulation Performance
IR infrared barrier formula
Reduce indoor heat loss by 25%–30%
Excellent low-temperature thermal insulation performance for winter planting
Reduce heating energy consumption greatly07Mechanical Strength Parameters
Tensile strength (MD/TD): ≥20 MPa
Elongation at break: ≥600%
Tear resistance: High toughness, strong wind resistance, not easy to crack or deform
Surface tension treatment: Good tightness for film locking groove installation08Flame Retardant Grade
Reach agricultural anti-flame standard: self-extinguishing grade
Effectively improve greenhouse safety performance09Double-Layer Inflatable Film Optional System
Support double-layer PO/PE inflatable covering
Form air insulation layer
Further improve thermal insulation in winter
Reduce indoor temperature fluctuationStandards & Compliance
Comprehensive Advantages
Super High Stability: Hot-dip galvanized steel frame + flexible high-toughness film, perfect resistance to wind, snow and extreme weather
High Yield Light Environment: Ultra-high light transmittance + diffused light, uniform crop growth
Long Service Life & Low Maintenance: Steel frame 15–20 years, film 3–5 years replacement cycle
Energy Saving & Disease Reduction: Anti-fog, anti-drip, heat preservation functions greatly reduce planting risk
Full Customization: Size, film thickness, functional configuration, supporting systems can be matched according to local climate
Packaging&Delivery
Installation Instruction
Applicable Scenarios
Options
Customized upgrades are available flexibly according to crop type, climatic conditions and budget:
Why Choose Us?
Rich Industry Experience
40+ Years of Greenhouse Manufacturing Experience; 20+ Years of Greenhouse Exporting Experience; 10+ Years of OEM/ODM Experience.
Certified Quality Assurance
ISO9001 certified and Construction Qualification certified, ensuring reliable product quality and standardized project execution.
One-Stop Full-Process Service
From site surveys and design planning to production, transportation, installation and commissioning, dedicated staff oversee every stage. Post-installation technical guidance ensures customers can start production smoothly.
Diverse Greenhouse Solutions
From single tunnel greenhouses to multi-span high tunnels, polycarbonate greenhouses and Venlo glass greenhouses, we provide customized solutions for different budgets, climates and planting requirements.
Crop-Oriented Intelligent Design
With early involvement from crop experts, we optimize not only greenhouse structures, but also ventilation, cooling, irrigation and growing systems tailored specifically to your crops and local environment.
Add：No. 50, Lane 100, Jiaqian Road, Nanxiang Town, Jiading District, Shanghai, China
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