Aluminium has many useful properties. It is light, has fair mechanical strength and good electrical
conductivity. Its surface properties are less good; it is soft, difficult to solder, and poor for moving parts in
contact with each other. All these adverse surface properties can be overcome by electroplating.

Anodising is a simple electrochemical process that forms a protective coating of aluminium oxide on the surface of the aluminium. The lifetime of the finish is proportional to the thickness of the anodic coating applied. … The coating is integral to the metal and cannot peel or flake. Aluminium is ideally suited for anodizing, although other nonferrous metals, such as magnesium and titanium, also can be anodized.

Platerite can only do anodising on aluminium in a clear/silver or black finish.

The difference between Anodising and Electroplating.

Electroplating is a thin coating of a metal on another metallic substance – such as silver plated copper. Anodising changes the surface of a metal through an electrochemical process without changing the composition of the metal.