The semi trailer suspension is an important component connecting the semi trailer chassis running device and the frame. The supporting force, braking force and driving force of the vehicle are transmitted through the suspension system, and can also reduce the impact of bad roads on the vehicle - sho

Suspension system is a vehicle system consisting of springs, shock absorbers and connecting rods that connect the vehicle to the wheels. The trailer suspension system adapts the handling and braking of the vehicle for good dynamic safety and driving pleasure, while maintaining the comfort of the own

A trailer axle is a device that supports all or part of the vertical load of the trailer while moving (wheel rotation) and bears various external forces in other directions to ensure the normal driving of the trailer. As shown in Figure 1 below.

A semi trailer is one of the main transportation equipment for cargo transportation in the world. The semi-trailer axle is the core component of a semi-trailer. Semi trailers in different countries and regions are equipped with different styles of axles.The semi-trailer axle is mainly composed of fo