Beam extrusion is made of high quality aluminum alloy, it play a connecting role for installing booth,we use it coordinate with exhibition panel and tension locks.It fits the short time fair and its advantage is quick installation and beautiful shape for booth.So it's the important material of booth for you to attend all kinds of exhibitions.The extrusion can be curved to circular arc,easy to design all kinds of shapes of booth and also can be made according to your design.