1. Aluminum profiles and stainless steel also have beautiful appearance, aluminum profiles are more like silver, and stainless steel is only shiny, and neither of them rusts.
2. Aluminum profiles are thicker than stainless steel and have stronger durability.
3. Aluminum profiles can have natural colors, flashing silver, gold, black and so on. , more colorful than stainless steel.
It can be seen why ultra-thin light box chose aluminum profile as the frame instead of stainless steel.