Shock Absorber (Absorber), is used to suppress the spring rebound after absorption of shock and impact from the road. Widely used in automobiless, to accelerate the attenuation of the vibration of the frame and body, and to improve the ride comfort of the automobiles. Shock absorbers are designed to keep the springs from bouncing back and forth as they pass over uneven roads, although they filter the vibrations from the road. This paper is organized by henan guanbo shock absorber co., LTD