Precise spraying, double the efficiency - explore the high efficiency of automatic spraying machines

1. **Aesthetics**: Spraying can provide different colors and appearances for calculators to meet personalized needs or brand recognition.

2. **Durability**: If the calculator is in a rough or frequently used environment, spraying can provide an extra layer of protection to reduce scratches and wear.

3. **Anti-pollution**: In some cases, the surface of the calculator may be exposed to dust, grease or other contaminants, and spraying can provide a certain degree of anti-pollution ability.

4. **Antibacterial**: In public places or where hygiene considerations are required, spraying can contain antibacterial ingredients to reduce the spread of bacteria and viruses.

5. **Anti-corrosion**: If the calculator is used in a humid or chemical environment, spraying can provide anti-corrosion protection.

6. **Anti-scratch**: The surface of the calculator may be scratched during carrying or use, and spraying can increase a certain degree of scratch resistance.

7. **Special functions**: In some special applications, the calculator may need to have special functions, such as luminous or reflective effects, which can be achieved through spraying.

8. **Branding**: For customized calculators, spraying can print the company's logo or slogan as a way of branding.

9. **Emotional value**: Personalized spraying can increase the user's emotional value to the calculator, making it a more meaningful personal item.

10. **Privacy protection**: In some cases, calculators may be used to store sensitive information, and spraying can provide a certain degree of privacy protection.