... .double decker bunk beds; 2.cold-rolled steel; 3.can load 200kgs; 3.factory direct price. 2 tiers double decker bunk bedsbunk bed,bed ... frame,double bunk bed,iron bed 1). High quality cold-rolled steel plate ... ,thickness 1.2mm; Beam: 50*25mm,rectangle pipe,thickness1.2mm; Bed-board Support: 25*25mm,rectangle pipe, 1.0mm;4)Size ...