1.Iron bunk beds. 2.Q195 steel tube. 3.Steel bar board. 4.Load capacity at least 200kg/set Dimension: 1980*900*1750mmMaterial: Wrought metal tube , tube thickness: 0.8mm,0.9mm,1.0mm,1.1mm,1.35mm,1.5mm and 2.0mm.(The common thickness of tube is 0.8mm )Tube model: ISO: HR2(Q195).Supplementary materials: Screws and Screws cap.Main structure:diameter of the four post : 38mm,side bar:25*50mm,ladder: ...