balcony glazing system bi folding stacking sliding door with double glazing on China WDMA Built-in Blinds we are willing to afford

we are willing to afford the charge to take the test to get the certificate

2 ~ 4 level   Water tightness  350~600Pa 4~8 level    Air tightness  5

76+5mm        6+0

A: We have ISO certification

Standard cord

balcony glazing system bi folding stacking sliding door with double glazing on China WDMA Built-in Blinds we are willing to affordProduct Details Glass: 5+12A+5 double glazing tempered glass maximum opening space achieved when fully open the doors by aluminum folding door. Panels connected together in a train can be hinged off both side jambs to meet in a number of ways. When open, panels remain 90 degrees to the opening. Versatile functions with swing enter or exit panel(s) options and with flexibility to fully or partially open. Ease of operation to quickly open or close wide