The rotor assembly is widely used in many fields. It is a key part in the motor, driving industrial machinery, household appliances and other equipment. It also plays an important role in the generator and starter motor of the car. High magnetic properties can generate a strong magnetic field in a small space, and good stability can ensure long-term reliable use. Support product customization, the specifications and performance parameters of the rotor assembly can be customized according to customer needs to meet various personalized application scenarios.