The passenger vehicle paint shop line is a core process system in automotive manufacturing, integrating key stages such as pre-treatment, electrocoating, sealing, painting, drying, and quality inspection to provide vehicle bodies with high corrosion resistance, premium appearance quality, and coating consistency. The production line is designed with a high level of automation and intelligence, utilizing robotic painting, automated conveying systems, and precise environmental control technologies to ensure stable operation and high-quality output. In addition, the line is highly flexible, capable of supporting mixed-model production, and continuously optimizes process parameters through data-driven control and process monitoring, ensuring simultaneous improvement in product appearance quality and production efficiency.