Why is there no sound in the massage table in the health room (one set and two sets)

There is no sound. Massage bed, also known as shiatsu bed, beauty bed, physiotherapy bed, back rubbing bed, etc. , is the application of TCM massage theory. There is no sound in the massage table. According to ergonomics and modern people's working and living habits, kneading, beating and moving kneading in traditional massage are integrated.