1. **High welding quality**: Through high-frequency vibration and friction to generate heat, the wire harness and terminals are fused in a solid state. It has high connection strength and can withstand relatively large external forces. Moreover, the welding consistency is good and is not affected by human factors, ensuring the reliability of the products.

2. **High welding efficiency**: A single welding point can be completed in just a few seconds, which is far faster than traditional welding methods like soldering. It can greatly improve the efficiency in large-scale production.

3. **No additional materials required**: It belongs to solid-state welding and doesn’t need additional materials such as welding wires and fluxes. It simplifies the process, reduces costs and avoids the impact of impurities.

4. **Energy-saving and environmentally friendly**: It consumes less energy as it relies on high-frequency vibration rather than a large amount of heat energy. There is no welding smoke, harmful gases or waste generated, which is beneficial to environmental protection and the health of workers.

5. **Minimal damage to materials**: It is a low-temperature welding method. The heat is concentrated at the welding interface and the welding time is short, so it has little impact on the properties of temperature-sensitive materials, ensuring safety and reliability.

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