1,aluminum truss,spigot truss, 2,different size 3,light truss,stage truss,build truss 4,long history factory,good credit Material size ... * thickness): 50 * 3mm Inclined tube (diameter * thickness) 30 * 2mm Single length: 1m, 2m, 3m, 4m,and so on Style:straight ... :CE, TUV, ISO9001 certificatedRemark:we are professional manufacturer of truss, we design, making-up, setting-up, according to ...