The BE type low-frequency composite rubber shock absorber belongs to a type of rubber shock absorber, which is made of metal and rubber composite. The metal surface is completely covered with rubber, which can prevent metal corrosion. The product has low natural frequency, suitable damping ratio, and higher lateral stiffness than vertical stiffness. It is suitable for various installation forms such as flat, inverted, and side hanging. When used horizontally, it has good lateral stability. This isolator is suitable for isolation of various types of land and marine machinery and equipment, such as diesel engines, fans, water pumps, air compressors, air conditioners, precision instruments and other small and medium-sized machinery and equipment. For machinery and equipment with horizontal disturbance, the use of this isolator can achieve good isolation effect.