At our outdoor bench factory, we treat metal surfaces to minimize heat absorption during summer through a multi-layered approach combining material science, surface engineering, and structural design. First, we select metals with naturally lower thermal conductivity, such as aluminum alloys, and then apply a specialized thermoreflective powder coating infused with ceramic microspheres. This coating reflects up to 85% of solar infrared radiation, drastically reducing surface temperature compared to standard paint. Second, we use a matte or textured finish rather than glossy surfaces, as gloss tends to concentrate heat and amplify reflection into users' eyes. Third, we integrate a heat-dissipating understructure: the bench legs and support frames are designed with hollow channels or perforated patterns that promote airflow and convective cooling, preventing heat from building up at the contact points. Additionally, we preheat-treat the metal with an anodizing process that creates a porous oxide layer, which is then sealed with a cool-pigment additive that absorbs less visible light. Finally, every bench undergoes solar simulation testing to ensure surface temperatures stay below industry comfort thresholds. This comprehensive treatment guarantees that our outdoor benches remain comfortable and safe, even on the hottest summer days.