single fiber glass greenhouse, middle east greenhouse, big pipe greenhouseI-Framework The arches are made from 48 mm diameter galvanized steel pipes. Arches are linked together with longitudinal galvanized pipes of 32 mm diameter. The front frame of the greenhouse is made from (32 x 32) mm cross-section galvanized tubes. II-Covering 1.Two rear walls are covered by monolayer fiber glass, UV-treated. 2.Top of greenhouse is covered by 200 micron thickness poly film, UV-treated, 3-layer, 3-year guarantee and 5-year life. III-Door Bisect door, galvanized steel frame, covered by . IV-Cooling system Exhaust fan and cooling pad system to reduce the temperature.