Electric remote control Aluminum Roll Up Door is made of aluminum 6063 T5,controled by remote control, Electric remote control Aluminum Roll Up Door ... 2mmFunction:anti-sunlight,anti-rust,anti-lacerated, With rigid structure,theftproofing,noiseproofing,warm kepping.daylighting ... 7mmFunction:anti-sunlight,anti-rust,anti-lacerated, With rigid structure,theftproofing,noiseproofing,warm kepping.Aluminum ...