roof truss system 1.high load capacity 2.TUV ISO 3.easy to ... *thickness):25mm*2mmTruss unit length:1m,2m,3m,4m,customizerTruss connect: spigot/screwLoad capacity:500kg to 1200kgs,according to the truss ... ,speker truss,etc. The truss lift tower Accessories of truss system Our company main products:aluminum truss,bolts truss,spigot truss ...