... specially design for friction stay connection for out-open window with greater safety for tall building.2.Profiles: aluminium alloy, ... anodized, electrophoresis, powder coated5.color:Silver, white,green,grey,champagne, wood gain,black,bronze etc.can be customized.6.Screen/Mosquito ... closing Aluminum Magnetic retract flyscreen,retractable mesh,adaptable to large folding doors with fire-resistant mesh