Tilt & Turn or Turn window

With smooth junctionÿ¢firm connection and tidy assembly;
*Double-sealed insulating glass;
*Be capable of producing the combined windowÿ¢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;