Aluminium System Windows

System windows are the most advanced type of aluminium window. They are not just a collection of parts. They are designed and tested as a complete system. Our Aluminium System Windows use 6063-T5 profiles. The wall thickness is 1.4mm to 2.0mm. The frame width is 70mm to 120mm. We include PA66 nylon thermal break strips as standard. The glass options include 5mm+12A+5mm insulated, LOW-E, and triple glass. The opening styles are very flexible. We offer casement, sliding, folding, and tilt & turn. Our Aluminium System Windows represent the peak of our technical ability.

In 2023, we launched our independent brand "Delangxuan System Windows." This raised the standard for our Aluminium System Windows. Every detail is carefully designed. The profile chambers are arranged for drainage and insulation. The overlap between the frame and sash is calculated precisely. This ensures the seal strip compresses perfectly when closed. The hardware tolerances are controlled to a millimeter. This gives a smooth feel and long life. We do all work in our own 4,000-square-meter factory. We control every step from cutting to final inspection. In 2025, our factory was recognized as a large-scale enterprise. Our system window production is stable at over 10,000 square meters per month.

The table below shows the specifications for our Aluminium System Windows.

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