[VIP第1年] 指数:7
通过认证 The brake piece is generally composed of steel plate, bonding insulation layer and friction block, the insulation layer is composed of non-heat transfer material, the purpose is to heat insulation;
Friction block is composed of friction materials, adhesives, braking is extruded on the brake disc and brake drum friction, so as to achieve the purpose of vehicle deceleration and brake.
