According to the surface treatment process of the wheel hub, different methods will be adopted, which can be roughly divided into baking paint and electroplating. The following is a detailed introduction: 1. Paint wheel hub: paint wheel hub is affordable and durable. Generally, the appearance of wheel hub is less considered, and good heat dissipation is the basic requirement. Technically, baking paint is basically used, that is, spraying first and then electric baking, which is economical, beautiful in color and durable. Even if the vehicle is scrapped, the color of the hub remains unchanged. 2. Electroplated wheel hub: Electroplated wheel hub can be divided into silver plating, water electroplating and pure electroplating. Although the silver-plated and water-plated wheels are bright and vivid in color, they last for a short time, so they are relatively cheap and are loved by many young people who pursue novelty.