The natural rubber bearing from Tiantie is a type of seismic isolators for buildings. This type of seismic isolation bearing is made from natural rubber material that is used to reduce vibration and noise in machinery and equipment. Tiantie's natural rubber bearing absorbs shocks and impacts, provides flexibility, and helps prevent friction and wear, making it ideal for many applications. https://www.tiantiebuilding.com/products/natural-rubber-bearing.html