The labor cost saving, more efficient when assembling. Due the outstanding advantage of the aluminum truss, is that the weight is much lighter than the traditional iron truss.
Long working life, for more cost saving. As the Aluminum alloy truss have quite good performance on corrosion resistance and durability, and compared to iron truss, the life of aluminum truss can reach more than a few decades in same circumstances.
Also, Aluminum truss also has a very good compression capacity.
So, a lot of shows and outdoors activities choose aluminum truss, it’s getting more popular in our life.