In addition to their functional uses, metal leaves in welding also have significant cultural and artistic implications. They are often seen in sculptures, architectural features, and even in custom automotive work, reflecting a blend of traditional craftsmanship and modern technology. These metal leaves, when skillfully welded, can transform a simple structure into a work of art, narrating stories through their intricate designs and patterns.
At present, the surface treatment methods for aluminum profiles used in doors and windows mainly include anodizing, electrophoresis, powder coating, and wood grain powder coating. Different surface treatments have different appearance quality inspection standards.

Anodized finished aluminum profile, on the other hand, refers to surface finish on the material containing a layer of oxide.