1.Glazing Bead Installed In The Inside Room: The depth of the glass installed slot 20mm, maxmimum 36mm hollow glass can be used thickness, middle layer 3 glass, use safety glass installed stability, increasing both sound insulation effect and improves the hollow glass service life.
 

2.Chambers Matching The Special Profile:The thickness above 1.5mm ,inside the steel reinforcement will be fixed together with the screw , which ensure the window's strength and the safety of hardware . 
 

3.European Hardware Grooves;Our hardware grooves will adapt to every other foreign or domestic hardware ;