1.ladder truss ,triangle truss ,square truss ,circle truss and other abnormality accessory can be offered 2. we have spigot truss and screw truss and other abnormity accessories , according to the loading capacity truss can classified heavy duty exhibition truss, medium duty exhibition truss and light duty medium exhibition truss 3.specification: 910mm*760mm/760mm*600mm/520mm*760mm/500mm*600mm/500mm*500mm/450mm*450mm/ 400mm*400mm/350mm*350mm/300mm*300mm/250mm*250mm 4.the main tube 50*3mm,brace is 25*2mm and with 3mm thickness 5.all kinds of truss can be retread and reused, because It have high corrosion resistance , non-toxic with high technical welder and good quality of alloy AL-aluminum tube ,it can help you to save the expenditure 6.The main characteristic is using of easy, quick building, stronger loading capability. Which main to use for move performances, ceremonies, the indoor exhibition planes, the studio, Studio, press conferences, hanging lights, product fairs, exhibition halls display, and other structures need to meet a variety of projects. 7.we can design diverse shapes to hang audio ,speaker ,light and so on 8.we have the first-rate technician and management with good service , and have built goodwill