Does the wheel hub drawing cost oil?

There is no oil in the wheel hub diagram. Wheel hub wire drawing refers to a process of scraping and grinding the wheel hub surface to make it show wire drawing texture. This process is mainly to increase the beauty and uniqueness of the hub, and has no direct impact on fuel saving. Wire drawing treatment is to add texture to the wheel hub surface without affecting its rolling or sports performance. Therefore, there is no substantial impact on the fuel consumption of the hub. Wheel hub wire drawing is a surface treatment process for automobile wheels. In this process, by using special tools and techniques, the surface of the hub is mechanically scraped to form a fine texture or concave-convex texture, so that the hub presents the effect of wire drawing.