The brake pot used on the semi -trailer is a brake system component specially designed for semi -trailer. Its main role is to reduce or stop the wheels through braking pressure during the semi -trailer to ensure driving safety. One of the most important things to consider while purchasing a brake disc is the quality of the material used. The disc needs to be made of high-quality steel that can withstand high temperatures and pressure, as well as resist corrosion and wear and tear. Cheap quality discs