Zamac alloy OEM precision pearl Chrome plated customized die casting metal shell applied in telephnoe.The tolerance of zinc alloy raw part can be achieved +/-0.02mm to +/-0.05mm. The more precision dimension can be machined by CNC. We have 9 CNC machines. This casting with a high standard in appearance with finish of pearl chrome plated. What’s more, the color/surface treatment can be customized as customers requirement.