Hydroponic Tunnel Plastic Greenhouse System Steel Frame Arch

Tunnel greenhouses generally have no heating or ventilation, and no power equipment. Sunlight heats the inside much hotter than the outside, creating unusual plant growth inside. Ventilation is usually accomplished by opening, closing, and crimping. The standard width is 8m, It is very convenient to allow small tractors to transport vegetables. the length and height can be customized. The height had better not exceed 4 meters, otherwise, the structure is unstable.