1. **End-to-End Key Controls:** Over 200 key control points are established, covering every process from raw material intake to finished product delivery, ensuring traceability and controllability of quality throughout the entire supply chain.

2. **Multi-Dimensional Testing Technology:** A comprehensive quality monitoring network is constructed by integrating advanced testing methods such as spectral analysis, microbial detection, and performance aging tests.

3. **Stringent Quality Targets:** Raw material acceptance rate is no less than 99.5%, and first-pass yield of finished products is no less than 98.5%, defining quality standards through data.