1,China Well-known Trademark 2,high-quality, 10years warranty 3,patent technology 4,pressure-relief, health care Product feature1 ... system;2,apply the theory of human-engineering and mechanics;3,hollow inner structure, four air holes, good ventilation system ... Shuibao) is a large and profossional mattresses manufacturer in China mainland. Our anual production can reach 50,0000 pieces mattresses. ...