Sleep is the foundation of health. How can I have a healthy sleep? Apart from work, life, physical and psychological reasons, having "sanitary, comfortable, beautiful and durable" healthy bedding is the key to getting high-quality sleep. With the continuous progress of material civilization and science and technology, the types of mattresses used by modern people gradually tend to be diversified, mainly including: spring mattress, palm mattress, latex mattress, water mattress, head rest inclined mattress, air mattress, magnetic mattress and so on. Among these mattresses, spring mattresses account for a large proportion.