Steel Top Stable & Durable 4M Roll-Up Roof Device

Premium Steel Frame
Heavy-duty galvanized steel construction ensures long-lasting durability and resistance to rust, ideal for harsh weather conditions.
Large 4M Ventilated Film Winder
Efficiently rolls up greenhouse film for optimal ventilation, promoting healthy plant growth with adjustable airflow control.
High-Quality Reinforced Fabric
UV-resistant, tear-proof polyethylene film provides superior light diffusion and insulation, extending the growing season.
Precision Engineering
Smooth-operating gear mechanism allows effortless manual rolling, reducing labor while maintaining structural integrity.
Versatile Applications
Perfect for commercial greenhouses, nurseries, and large-scale agricultural projects requiring reliable climate management.
Manufactured in China
Cost-effective bulk pricing without compromising quality, backed by strict industrial production standards.
Global Wholesale Advantage
Direct factory sourcing guarantees the lowest prices for high-volume orders, shipped worldwide.