CE,TUV,RoHS powder coated,keep 30years for color 3005 aluminum alloy manual,electric,remote control anti-weather,Anti-thelf 1,Structure of roller shutter ... ) Ball Bearing, (4) Steel Cap (5) Security Plate (6) Box(up)(7) Euroblock (8) Oct tube (9) Tubular Motor (10) Side ... a 16mm thinckness wooden case which don't need fumigation. aluminum roll ups