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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

The production of aluminum fences is scalable to huge numbers. An aluminum fence is typically made using a manufacturing process known as extrusion. This procedure entails nothing more than moving blocks of aluminum through a dying system.