... :Aluminum alloy (others can be aluminum, zinc alloy)Surface processing:Mirror Polish, painting,zinc/chrome plating, sandblasting,etc.The Size like this:(for ... . Metal part processing (stampings ,die castings) 5. Alloy die-casting (Zinc alloy, Aluminum alloy,Magnesium alloy etc.) 6. Rapid silicone mould 7. Industrial design ... us to a harmony and win-winsituation! (Xiamen Huiyongsheng Industry Co.,Ltd.)