UPVC 4 panel bifolding window and door

1. UPVC, Aluminum alloy, Thermal Break Aluminum Alloy, and Aluminum-wood composite materials are applicable to the frames of these products.2. The sizes, colors, and open styles are available for customers. 3. Single glass, doulb insulating glass, painted glass, art glass and ultraviolet ray intercepting glass are applicable to these products. 4. Glass thickness: single-glass 4mm-12mm Double-glazing 4mm+6A+4mm-8mm+12A+8mm 5. Manner of packing: wooden box packing, carton packing, plastic packing. 6. Processing size: 400mm×400mm3500mm×3500mm 7. Window screen: Invisible window screen, ordinary window screen, the screens can be taken off and washed. There are various kind of colors of screen are available. (Using fire-resistant yarn)