Here is the surface finish from differnt parts with differnt surface treatment .

sand blasted.jpg
casting with  shot blastedcasting with sand blastedstainless steel with glass beads blasted
polishing.jpgbrush.jpgpolishing and brush.jpg
Polishing surfacebrush surface polishing compared to brush
blue white zinc plated/galvanizedcolor zinc plated/galvanizedhot dip zinc plated
powder coated.paintingzinc spray /thermal spraying
chromed.jpgelectrophorese.JPGtimg (1).jpg
polish and chromingpolish and electrophoresenickle plated
black anodize.JPGgolden anodized.JPGlaser marking.jpg
black anodizedgolden anodizedlaser marking