Passive 130U + aluminum package wooden window pressure line before the change of the arc shape, the use of flat bevel of the pressure line, the entire window of the linear simple.
        Using the heat transfer coefficient Ug = 0.70W / m2K warm side of the glass configuration, so that the window Uw value of 0.80W / m2K meet the requirements of passive doors and windows. Hardware use of the current European general 13 series slot hardware, so that the form of load-bearing, open flexibility and other performance has been improved, 13 series slot can also be configured to hide the hinge of the internal hardware, so that the way to open more flexible The