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Alloy wheels are light weight, small inertial resistance, high manufacturing precision, small deformation during high-speed rotation, and small inertial resistance, which is conducive to improving the straight-line driving performance of the car, reducing the rolling resistance of tires, and thus reducing fuel consumption. The thermal conductivity of the alloy material is about three times that of steel, and the heat dissipation is good, which can protect the braking system and tires of the vehicle. Alloys are a combination of two or more different metals. It will reduce the rolling resistance of tires, thus reducing fuel consumption