Series 50 heat-insulated aluminum alloy window (Tilt & Turn or Turn window )

-With smooth junction, firm connection and tidy assembly;
-Double-sealed insulating glass;
-Be capable of producing the combined window, single window and one-unit window frame;
-Sealed drain system with excellent anti-air and anti-water ability;
-Varieties of opening ways and optional aeration effect;
-Need less profile and be economy in actuary;
-Obtain the large lighting area and with bright effect.