Passive Solar Greenhouse Tunnel – Double Arch Design for Cold Climate Farming
Durable double-arch steel frame with anti-rust galvanized coating ensures structural integrity in harsh weather. Thickened UV-resistant polyethylene film (200μm) optimizes light diffusion while retaining heat. Insulated thermal quilt with reinforced stitching provides superior frost protection, maintaining stable temperatures for hydroponic systems or winter crops. Ventilation windows with precision hinges allow airflow control. Ideal for commercial hydroponics, cold-region vegetable farming, or year-round organic cultivation. Easy-to-assemble modular design supports large-scale agricultural projects. Global wholesale pricing available – bulk orders prioritized for resellers and farming cooperatives.