Zinc die cast, Zinc die casting part Zinc casting with double plating for high-end microphone component 12 years experiences Product No./NameJJ-00094 / Zinc die cast ... )plating, hot galvanized, painting, Anodize, electrophoresis, sandblasting etc...6) Tolerance: +/- 0.0005inch, also accord with GB6414 Zinc die cast, Zinc die casting part, Zinc casting ...