What is Surface Finish？
Generally speaking, there are two interpretations of surface treatment in China, one is the broad sense of surface treatment, the surface treatment agent includes pretreatment, electroplating, coating, chemical oxidation.
Thermal spraying and many other physical and chemical methods; The other is narrow surface treatment, which includes only sandblasting, polishing and so on.
The surface treatment is designed to meet the corrosion resistance, wear resistance products, decoration or other special functional requirements. For metal castings, we compare the common methods of surface treatment, mechanical polishing, chemical treatment, surface heat treatment, surface coating Surface treatment is the surface of the workpiece cleaning, cleaning, deburring, to oil, to anodize the skin and so on.