tunnel galvanized tube greenhouse  

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• Gothic structure ,Top height: 2.5M
• Wind load: 0.35 KN/M2, Snow load: 0.20 KN/M2
• The frame works structure is assembled by prefabricated parts     
• All main parts are hot dipping galvanized after processing with zinc cover 275G/M2; some connecting parts are plastic coated showing strongly resistance to corrosion
• Covering is 3 layers extruding film, the outer layer has the function of dustproof and the inner layer anti-dripping; UV block treatment
• Side ventilation(optional): by film rolling up machine