... surface Product No./NameJJ-00065 / Aluminum prototype with plating zinc alloy for mobile mold Manufacture Process1) Drawing/model/design analysis2) CNC ... .5) Surface Treatment: High quality polish, powder coating, Chrome/Nickel/Zinc(white, blue, yellow, black)plating, hot galvanized, painting, Anodize, ... +/- 0.0005inch, also accord with GB6414 Aluminum prototype with plating zinc alloy for mobile mold