The iron frame bed belongs to steel furniture, which is generally treated with degreasing, acid rust removal, and phosphating. A good-quality bunk iron frame bed can keep its paint surface intact for seven or eight years, and a slight collision can also prevent paint peeling. And the iron frame bed material is thick and stable, and there is no obvious friction sound and shaking when shaking the bed body by hand. There is no obvious rubbing noise when an adult sleeps on the bed and turns over. Iron frame bed production requirements: excellent welding technology, no de-soldering, blowholes, pinching, welding flashes, splashes, undercuts, and welding scar ripple heights not greater than 1mm. The corners and welding of the iron frame bed have been strictly inspected. Otherwise, it is easy to scratch the clothes and quilts. The choice of materials is very important for the upper and lower iron frame beds, and the thick steel iron frame beds are safer and more stable in use.