Патрубки ферма

truss;spigot truss;stage truss; This truss is very used in western country.According to the loading capacity,it is including:the light duty normally include the size as:220*220,290*290,390*390,350*350,the medium duty truss include the size as:400*400;450*450,520*520,the heavy duty truss include the size as:670*670,520*760,110*760.the length is 0.5 4m for one pc,normally our truss made of the 50mm*3mm as main tube a 25mm*2mm as brace tube.If the square truss overtop the size 500*600 have another choice:the main tube is 50mm*4mm.And the brace tube is 30mm*2mm,and if the size under 290*290 you also have another choice:the main tube is 32mm*2mm.the brace is 25*2mm. There are many kinds truss in our company:according to the shape of the product,there is ladder truss,triangle truss,square truss,arc truss,there are 4mm,3m,2mm according to the truss main tube thickness,this time we just give you some normally size and other size we also can make. We have the high technique welder,engineer and the best service.we will give you the best quality and pretty products,exhibition truss,light truss and so on.