Semi-trailer axle refers to the axle installed on the semi-trailer bucket, which generally belongs to the support axle, neither with steering function nor driving function, and is specially used to bear the weight of the body. For the semi-trailer, the axle is one of the key conditions to determine

Trailer suspension is used to connect the frame and axle components, the main role is to transmit the force and force torque between the wheels and the frame, buffer the impact of the road to the body, to maintain the smooth running of the vehicle. After the vehicle is installed with the suspension