Weak erosion before plating, in a certain: remove metal parts in the solution of surface extremely thin oxidation film, and make the process of surface activation.
弱浸蚀：电镀前，在一定组成溶液中除去金属制件表面极薄的氧化膜，并使表面活化的过程。
2
Smooth fine polishing, plating thickness is not easy oxidation.
抛光精细平滑，电镀厚度不易氧化。
3
The process progress for magnesium alloy surface treatment technology include conversion coating, anodizing, micro-arc oxidation, electrochemical plating, ion implantation etc was summarized.