Aluminum alloy glass window, toughened glass, with high security lock and accessory,sliding 3 tracks,high standard and high security. Waterproof and fireproof, sound insulation, no deformation, no fading. The service life is up to 30 years.We can design different types of windows according to the size of customers. They can be fixed, flat, sliding or combined.As long as the customer provides the size, we can design it for free.We have our own regular colors for the color of glass and aluminum. If there are many customers, we can also customize according to the color of customers.