It is an annular elastic rubber product assembled on various vehicles or machinery and rolling on the ground.

The function of the tire is:

1, supporting the total weight of the vehicle, bearing the load of the vehicle and transmitting the force and torque in other directions;

2. Transfer the torque of traction and braking to ensure the good adhesion between the wheels and the road surface, thus improving the power, braking and passability of the automobile;

3. Together with the automobile suspension, it reduces the impact when the automobile is running and attenuates the vibration generated;

4. Prevent the violent vibration and early damage of automobile parts, adapt to the high-speed performance of vehicles, and reduce the noise when driving.