GWM redefines expectations with the Haval H7, a commanding new flagship that marries go-anywhere capability with indulgent refinement, writes SHERYL GOLDSTUCK.

The working principle of frog rammer is that the centrifugal force generated by the rotation of the eccentric wheel drives the rammer head up and down and compacts the soil by impact force. The ...

Interior permanent magnet in-wheel motor exhibits advantages of four-wheel independent drive and wheel-slip based steering, high efficiency and power density, wide field weakening capability, and more ...