Single Tunnel greenhouse is applicated to the cultivation of vegetables and other economic crops,effectively prevent natural disasters and improve unit area output and income. With advantage of easy assembly,lower investment and high output.   Cover Material Plastic PE Film 100/120/150180//200 microns UV PE Film with life 3-5 years UV treated polyethylene film has function of anti-UV,  anti-aging and anti-drip, will be fixed by special film lock channel and wriggle wire.   Ventilation Sides Vent: The greenhouse 2 sides can be roll up & down by manual roll up machine, 40mesh insect net will be offered for vents Top vent :customized      Drip irrigation system