CE,TUV,RoHS powder coated,keep 30years for color 3005 aluminum alloy manual,electric,remote control anti-weather, ... slat: 32mm, 43mm 8, material of shutter slat: aluminum alloy 3005.9, color of shutter slat: white, gream ... and also customized as need.10, surface treating: powder coated. (keep color 30years under sunshine and rain)11, tubular ... wooden case which don't need fumigation. aluminum roll ups