... 3.easy to set up 4.15-25 service year 350*350mm spigot-type square truss Shape:Can be Square / Triangle ... your request. Convenient for set up and transportationWeight -loading capacity:350-800KG/Meter according to the truss sizeCharacteristic:All kinds of ... ,CE ISO9001 Size available : 200*200mm,250*250mm ,300*300mm ,350*350mm ,400*400mm ,289*289mm,389*389mm,400*400mm,450 ...