| Industry Application | Electronic shell |
| Material | Zinc alloy 5# |
| Features | 1. The surface of the casting is sprayed with black sand grain powder. 2. The upper and lower fittings should be assembled without gaps. 3. The dimensional processing precision is high. |
| Process | Die casting |
| Tolerance grade | +—0.02mm |
| Surface treatment | Powder coating |
| Quality control | 1. The surface needs to be tested in Adhesion Cross-Cut Test and the salt spray is over 96H. 2. There is no pitting on the surface and foaming. 3. The structure has no deformation and bruises. |
| Importing country | Britain |