What are the most important points in the processing of a sheet metal case?

- Jan 04, 2018-

surface treatment

General surface treatment, phosphating coating, electroplating zinc chromate, colorful paint, oxidation etc.. The film is generally used for phosphating of cold rolled sheet and electrolytic plate, its main function is plated with a layer of protective film, sheet materials in preventing oxidation; then can enhance the adhesion of the paint.