As a drive system, the motor is the most important component of an electric vehicle. In the past few years, the motor institute has led the development and perfection of an epoch-making product - liquid-cooled motor. The liquid-cooled motor solves the problems of heat dissipation, efficiency reduction, and waterproof and dustproof during the use of the motor. The effective service life of liquid-cooled motors is three times that of ordinary motors. Therefore, the liquid-cooled motor has obtained 7 national patents. Since it launched, nearly 8 million users have chosen Luyuan electric vehicles equipped with liquid-cooled motors.