To measure surface treatment commonly used methods are: cover with thickness measurement, binding force to check, salt fog and humidity test, appearance inspection, etc. Coating, coating adhesion, hardness, moisture test, visual inspection method, etc.

Surface treatment is refers to using metal electrodeposition (commonly known as electroplating), coating (painting), chemical oxidation (color) or other processing methods in the cover or form a layer of protection membrane on the surface of parts. The membrane is mainly anti-corrosion effect, also increase the beautiful and the durability of the product, is an important factor of success for product quality directly.