standard features: •The bed frame and the surface are made of steel and treated by acid and static plastic spray ,anti-aging ,anti-rust. •The headboards are made of stainless steel and can be installed and removed freely . •The bottom of the legs are covered with rubber. •The product has been assessed and conforms to the following standards: GB/T 19001-2000 idt ISO 9001:2000 dimension: •size: 2030×900×530mm •back section: 695×900mm •seat section: 180×900mm •femoral section: 290×900mm •leg section: 610×900mm •angle of back section: 0 °--70 °(±5 °) •angle of leg section: 0 °--30 °(±5 °) •N.W: •G.W: •packing specification:2070×920×290mm •pcs.in one 20＇container:80 pcs. •pcs.in one 40＇container:160 pcs.