JLH spring mattress manufacturers each spring of the mattress is sealed in a tough fiber bag to effectively prevent mold or insect growth. We design the mattress in strict accordance with ergonomic principles to achieve a night of healthy and relaxing sleep. JLH custom mattress manufacturers's mattress has five independent springs and is equipped with a heat-treated white cotton pad to better fit the human body. The spring has a perfectly curved design and is flexible and retractable to evenly support each part of the body, keeping the spine fixed and straight and allowing the muscles to completely relax. JLH Mattress is professional custom mattress manufacturers and spring mattress manufacturers, specialized in custom spring mattress, innerspring queen mattress, innerspring coil mattress, best pocket spring mattress, ect.Please contact us!