Tilt & Turn or Turn window

With smooth junctionÿ¢firm connection and tidy assembly and the equal room theory
*Double-sealed insulating glass;
*The opening way can be changed between the Tilt &Turn between Turn ways;
*Be able to connect with all kinds of doors and make the series more perfect;
*Be capable of producing the combined windowÿ¢single window and one-unit window frame;
*carrying the ÿ¯balanced stressÿ?theory obtain the excellent anti-air and anti-water ability;
*improved heat-preservationÿ¢sound insulation and less-transfiguration ability
*Need less profile and be economy in actuary;
*The slim frame make the window Obtain the large lighting area and with bright effect;