1) A kind of regular rolling shutter, only the color difference, we customize for special customers
2) Strong and durable, beautiful appearance, high-strength, high toughness, corrosion resistant aluminum alloy which is double ply curtains, 6063T5 aluminum alloy material, fight back, scratch prevention, the surface is painted by titanium ash powder and electrostatic powder.
http://www.jlfiretruck.com/shutter-door/aluminum-shutter-door/titanium-gray-rolling-shutter.html