Servo three-phase synchronous asynchronous motor, do after-sales maintenance work, want to travel can have development prospects? What is the highest salary?

If the servo motor is repaired, it will cost 4 to 5 thousand a month. The key is that you can fix it. If you can repair servo motors of various brands and handle the whole set of testing methods by yourself, you can start a small company specializing in servo motors, self-employed and so on, and then become a baidu promotion, with a monthly conservative income of1-20,000, which is easy.