ETFE Air Pillow Project More information you can view here Dongqian Lake Ballroom ETFE air pillow membrane structure project is located in Ningbo Dongqian Lake Tourism Development Zone. The project takes the shape of the peanuts, which means good luck and wish. The project steel consumption is 1200 tons, the membrane expanded area is 6500 m2, and the membrane material thickness is 250 um. The membrane is in the form of a double-layer air pillow, the upper layer is 250um ETFE membrane, and the lower layer is 250um printing dot Wanhao ETFE membrane, which achieves the double effect of beauty and shading. We are pecialized in custom tensile membrane structure, PVDF Membrane design, tensile architecture design, tension structure installation