solid frameless stacking sliding glass door used in balcony on China WDMA Built-in Blinds Forged aluminum alloy is mainly

Forged aluminum alloy is mainly Al-Zn-Mg-Si alloy

there  should be steel-reinforcement

Stacker Door

sandalwood

Bar design

solid frameless stacking sliding glass door used in balcony on China WDMA Built-in Blinds Forged aluminum alloy is mainlyProduct Details Latest system: frameless in vertical and each glass panel can open individually for easy cleaning, more fresh air and sunlight, and close with transparent clear view. Compensation profile: compensation profile at the top can adjust the gap between the window and ceiling to make system horizontal. Adjustment screws: two kinds of adjustment screws, one to raise the compensation profile, another for lower the compensation profile. Rollers