Popular windows, remotely controlled electric skylight on industrial roof on China WDMA Sliding Window Plenty of surface treatments for

Plenty of surface treatments for your choice

Door Thickness:35-45mm

fixed aluminium window manufacturer

EN13561:2004 delivery Base on quantity of the official PO

Popular windows, remotely controlled electric skylight on industrial roof on China WDMA Sliding Window Plenty of surface treatments forProducts Description Product nameAluminum alloy electric Exhaust ventilation skylight Product features: exhaust ventilation and ventilation. It has strong heat preservation and waterproof structure. It can be linked with fire protection. When the sunroof is fully open, the maximum amount of smoke is 60. The maximum opening angle is 60. The top of the window is at 30 angle to the mounting surface. Summer is good for drainage, no snow in winter, remote