... heat insulated,anti-aging,water proof 2012 Hot Sale UPVC &Aluminum Venetian Blinds.(Factory)1.Material:UPVC &PVC,Aluminum ,as per your requirement.2.Colour ... ventilation9.UV protection---it will not fade or discolour10.Reinforcement steel:1.2mm,1.5mm,2.0mm,so on11.Acoustical ... Baisha CunDong street , HuangQi Town , Nanhai District ,Foshan City, China 2012 Hot Sale Aluminum Venetian Blinds(factory)