steel wheel, aluminum wheel, production materials and equipment.Car tire is one of the important parts of the car, it is in direct contact with the road, and car suspension together to ease the impact of driving the car to ensure that the car has a good ride comfort and ride comfort; to ensure that the wheels and the road there Good adhesion; improve the car's traction, braking and passability; bear the weight of the car, the tire plays an important role in the car more and more people's attention.
Early use of wooden or iron car wheels, car suspension structure is not perfect, coupled with poor road conditions driving, despite the car is not high speed, but still bumpy worse. The advent of rubber tires is a prerequisite for the further development of automobiles. Tread rubber has improved the performance of the pattern, thus opening up the history of tire tread pattern and increase the width of the tire cross-section, allowing the use of lower internal pressure to ensure better cushioning performance.
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