1. ISO9001, UKAS ISO14001 certified. 2. GB5237 standard. 3. Energy saving and sound insulation 4. Good quality accessories

casement window, aluminum casement window, aluminum window, aluminum alloy window

1. Aluminum alloy 6061, 6063, etc. Temper T4, T5, T6

2. Surface finishing: Anodizing, electrophoresis, powder coating, etc.

3. Durable glass with sound and heat insulation.

4. All colors available.

5. Good quality hardware accessories.

casement window