the remote control window shutter is made of aluminum 6063 T5,The manufacturer is Wujiang ... Metal Work Co.,Ltd.,Brand:Aojing We are a window shutter manufacturer company in china. We can provide you:All kinds ... , 60n/m, 80n/m, 100n/m and 120n/m)The shutter can not only used for decorating house but also for ... sunshine, reducing noise, safe and anti-burglar, and so on. remote control window shutter