Look at the production label to distinguish between true and false. Brake pads are generally composed of steel plates, adhesive insulation layers and friction blocks. The friction block is composed of friction material and adhesive, and when braking, it is squeezed on the brake disc or drum to generate friction force, so as to achieve the purpose of vehicle deceleration braking. The brake discs of Leikewei will be engraved with exclusive trademarks and labels.