Salt spray test machine for a variety of surface materials by electroplating, anodizing, painting, rust-proof oil, anti-corrosion treatment, testing its products on the corrosion resistance.

The process progress for magnesium alloy surface treatment technology include conversion coating, anodizing, micro-arc oxidation, electrochemical plating, ion implantation etc was summarized.

The treatment of aluminium anodizing waste water is discussed. The sources of waste water are researched. The methods to reduce the waste water and the chemicals are presented.