Composite spring support system

Put a spring which is lower 3cm in each independent pocketspring.When the matress is stressed to a certain point, there will be aspring to support it,reolkzing2timesof support.The springmat tress is suitable for all kinds of people,the surface is solt and comfort-abke. When skeeping, there are two spring can support heavy body,sovewill not foel soft Zone arrangement makes the solt area is soft,the hard region is hard! shovs that the springmattresbrings plenty of skepexperiencu Compos te spring matress through two kinds of springs in the same mattress wth different hoght andcifferent elastic modulus to form a doubin helx structure and a newtype of innerspring mattress with two stess layers that are not at the same height.