How to choose electric gourds, there are more types of electric gourds. So how to choose, first clarify the tonnage of our load, which needs to be increased. Where do you need to install a sports car on the industrial steel? Is the power supply 220 volts or 380 volts. Are there any requirements for improvement? Different styles of gourds are suitable for different working scenarios and need to be selected according to the use environment.