Stage truss in exhibition booth

With the exhibition booth more and more mature, the stage truss are applied more and more widely, due to its elegant appearance, durable, does not rust, not easy to deformation, has been more and more attention in the exhibition booth, although the price a little high, but users still prefer using stage truss. What about its specs?

Answer: for example, 300*300 is generally used to build 10-15 meters booth, 400*400 is generally used to build 15-20 meters booth, 500*600 is generally used to build more than 20 meters of the trade show booth.