Differences Between Original Car Paint and 4S Shop Repainting?

[DiFinn]

Differences lie in: different spraying environments and different construction tools. 1. Spraying Environment: The OEM paint shop is a sealed positive-pressure workshop where air is purified through multi-layer filtration and oil-water separation, ensuring extreme cleanliness. In contrast, a 4S shop typically has only a separate paint room, and many even perform outdoor operations. It is fundamentally impossible to guarantee the cleanliness and consistency of the spraying environment. 2. Construction Tools: At OEM factories, robotic automated spraying is used, making it much easier to control the uniformity of paint film thickness, color consistency, and aging consistency compared to later repairs at 4S shops. 4S shops, however, only use ordinary spray guns for manual operations, where the quality of spraying largely depends on the skills of the workers.