The disc brake axles, also known as the plate type axles, is named after the shape of the metal block used in it. When braking, the calipers are fell to the brake plate, and the friction has a braking effect, the semi trailer which is applied more on the passenger trailer.However, with the implement

In the process of car maintenance, the annual tire replacement is a large expenditure, and there should be many semi trailer friends who are very troubled by this problem. In fact, the maintenance of tires is the key to prolonging the life of tires, so how to maintain tires?During the running proces