1.Bed body is full metal frame structure,Stents and inner box are high quality steel pipe which is stable and solid.
2.Surface is electro-sprayed by epoxy resin,Lasting bright(stoving varnish), No paint, No smell of paint. 3.Plastic wheel is made of with high strength nylon plastic,durable Resistant,No harm to wooden floor 4.mattress surface cloth is made of 100%Synthetic fiber or 100g quitting cotton+Non-woven fabric quilting. With Good elasticity, good patience, feel comfortable, use for a long time not deformation, no ball, all round with zipper, easy unpick and wash
5.Back set is equipped with 6 level of high hardness hinge, Quality is reliable,can be adjusted between 0-80 ° 6 levels;
6.Inside of mattress is made of high density sponge + pearl cotton,High
hardness, good elasticity, good patience, long-term use no deformation, the materials used is environmental protection.