Steel filing cabinet for storage in 2021 is a popular one among all types of filing cabinets. Because of its high durability, it is a commonly used tool for storing documents. From the appearance, the surface of the steel filing cabinet for storage in 2021 using electrostatic spraying is used. When the machine automatically sprays the paint, the nozzle is used to align the file cabinet to spray on the ground. Therefore, the distribution is very uniform and the quality is guaranteed. These data are effectively saved, and the storage function is powerful.