... light steel structure:Welded steel frame (C channel steel, the square tubes, angle steel),fill 50mm PU,Carrying Capacity ... :Welded steel frame (C channel steel, the square tubes , angle steel),the thickness of Welded steel sheet is 1. ... mm(one) window 1000mm*850mm(two),the system electrocircuit:lighting daylight lamp(one),electrical switch(one),socket(two). ( function(){ var aBigImageSrc = [ 'http ...