Where is the price difference between aluminum doors and windows?

1. The surface treatment of aluminum doors and windows is different and the price is different.

2. The price of glass is also different.

3. The price of hardware varies greatly.

4. There are several times or even dozens of times the difference between domestic glue and foreign glue.

5. System doors and windows are much more expensive than ordinary aluminum alloy doors and windows accessories.

6. Good aluminum doors and windows have been strictly tested, and the water tightness, air tightness, and wind pressure resistance have all reached high requirements.

The most important thing is the difference in hardware, as well as glass and other accessories. The price of good accessories may be several times different compared with poor ones. This is why the doors and windows look similar but the prices are quite different.