LongYoung Greenhouse Company Limited 1.Material: Cellulose paper processing by adding a special resin bonded together; 2. Ventilation: Circulating water,ensuring that air quality is always refreshing Type: 5090 7090 Thickness(mm):100,150,200,300; Ripple Height(mm): 5; 7 Height:1500,1800,2000 Ripple Angle: 450 Width(mm):600,300