... bed 2.cold-rolled steel 3.knock down 4.factory direct pric multi function military metal bunk bed bed frame,metal bed,bunk bed,double bed ... ,iron bed,bed design 1). High quality cold-rolled steel ... 1.2mm; Beam: 50*25mm,rectangle pipe,thickness 1.2mm; Bed-board Support: 25*25mm, 1.0mm;4) Developed especially ...