How to judge how Aluminum Stage Truss work
First, discriminating the quality of Aluminum Stage Truss can see the truss work from the good and bad of the soldering, the truss is welded, and the welding of high-quality electrodes and advanced processes will definitely do not have a shortcoming, such as virtual Welding, air holes, etc. Assume that the intersection of the two raw tubes in the truss is interspersed together, and...