blue and white ironing board cover_marble table cloth

This anodizing method often takes place in a tank with sulfuric acid and water solution. Once anodizing process is over, you can immerse the components in an optional coloring tank to attain the ideal deep black hue.

Depending on the aspect of their application, their cross-sectional shapes can vary. Generally speaking there are four main cross-sectional shapes of fixed window profiles: flat, round, unequal polygon and equal polygon. Among them, the plane type is commonly used in door frames, wall corner lines, etc.; round profiles are mainly used for aluminum alloy pipes; unequal polygons and equal polygons are commonly used for window frames, partitions, etc.

4. Door profile