commercial greenhouse Features: 1) Material of greenhouse structure: Hot-dip galvanized pipe, with zinc cover 275g/m2. 2) Excellent anti-corrosion for at least 20 years,long service life greenhouse. 3) Installation of the greenhouse: Easy installation, no foundation needed. 4) Assembly style without welding points to damage the zinc coating on the greenhouse structure. 5) Manual film roll-up machine for ventilation on both sides of the greenhouse,with insect proof net. 6) Drip irrigation or sprinkler irrigation system inside the greenhouse. 7) Sliding doors on the ends of the greenhouse. 8) Can be well used in coastal area, cold and hot area. 9) Widely Use: can be used as Tomato Greenhouse, Vegetable Greenhouse, Flower Greenhouse, Mushroom and Poultry greenhouse. Detailed Specifications: Item No. Arch pipe Diameter(mm) Width(m) Max Length(m) Wall Height(m) Roof Height(m) Wind Load (km/h) Snow Load (kn/m2) G -422-4.0 22mm 4m 5 60m 1.2 1.5m 1.8 2m 100 120 0.3 G -522-4.5 22mm 5m 5 60m 1.2 1.6m 1.8 2.5m 100 120 0.3 G -622-4.7 22mm 6m 5 60m 1.2 1.4m 1.8 2.1m 120 140 0.3 G -725-5.5 25mm 7m 5 60m 1.2 1.6m 2.0 2.8m 120 140 0.4 G -825-6.0 25mm 8m 5 60m 1.4 1.8m 2.8 3.3m 120 140 0.4 G -832-6.6 32mm 8m 5 60m 1.8 2.2m 3.4 4.2m 120 140 0.4 G -932-6.6 32mm 9m 5 60m 1.4 1.8m 2.5 3.2m 120 140 0.4 More pictures of the greenhouse: 1-Greenhouse arch pipes 2- greenhouse structure 3- greenhouse planting