Aluminum Alloy Rolling ShuttersDurable and aesthetically pleasing, high-strength and high-tensile aluminum alloy double (single) layer curtains, made of 6063T5 aluminum alloy. Resistant to impacts and scratches, they effectively block malicious intrusions from outside, enhancing security. The exterior is coated with electrostatic powder spray technology, offering strong weather resistance, anti-aging, resistance to rain and corrosion, with a lifespan of over 20 years.