The multi-span film greenhouse is large agricultural equipment. The greenhouse size: every span width 8m,9.6m,10.8m or 12m; the bay width 4m; the gutter height 3m to 6m. Each unit of greenhouse area is usually 1000m2 to 10000m2.
The multi-span film greenhouse is composed of foundation construction, greenhouse steel structure, greenhouse film cover, ventilation system, cooling system, sunshade system, inner thermal curtain system and heating system, etc.