out-open or up-hung window

*With smooth junctionÿ¢firm connection and tidy assembly
*Double-sealed insulating glass;
*Sealed drain system with excellent anti-air and anti-water ability;
*Varieties of opening ways and optional aeration effect;
*carrying the ÿ¯equal room ÿ?theory obtain excellent heat-preservationÿ¢sound insulation and less-transfiguration ability
*Be capable of producing the combined windowÿ¢single window and one-unit window frame;
*Be able to connect with all kinds of doors and make the series more perfect;
*The slim frame make the window Obtain the large lighting area and with bright effec;as well as need less profile and be economy in actuary;