Metallic finishing on sony walkman a-series

Skills materials and processes
1

The sony walkman a-series has got this metallic finish thorough which the el screen seems to shine . does anyone know what material / finishing it is? Is it sprayed on?

http://www.walkman.sony.co.jp/products/Aseries.html

Many thanks!

2

Try http://www.eckartasia.net/index.asp?pid=2