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1. Color diversity: PVD (Physical Vapor Deposition) technology can prepare multiple color coatings on mobile phone buttons to meet the needs of different users.

2. Wear and corrosion resistance: PVD technology achieves wear and corrosion resistance on mobile phone buttons, extending the service life of the phone.

3. Improving product quality: PVD technology can produce various single metal films, nitride films, carbide films, as well as oxide films, achieving diverse colors and textures.

4. Environmental friendliness: Compared with traditional processes, PVD technology does not produce toxic or harmful substances during the production process, making it more environmentally friendly.

5. Application of Strength Source Products in the Preparation of PVD Coatings for Mobile Phone Side Keys