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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

Sliding window profiles can be used in both residential and commercial buildings, and are ideal for spaces that cannot be opened outward. Its biggest feature is the use of sliding type opening method, not only beautiful, but also has a better security and sealing. Generally speaking, the use of aluminum alloy materials sliding window profiles in addition to strong, durable, beautiful and other characteristics, but also has good thermal insulation properties, can play a role in heat preservation, sound insulation.

Sliding door rollers come in various designs and materials, specifically tailored to meet different requirements. The most common types include

What are the surface treatment processes of aluminum profiles doors and windows

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