... treaded Shinilion Automatic Rolling shutter Introduction Automatic Rolling shutter window and doorMaterial is Using 97% purity aluminum ingot 6063T5 ... Slat,Max Making Size:60m2,for garage door,hurricaen shutter , industrial door,factory gateMain color : White, cream, grey,beige, ... Manual, pure electric and remote-controlled operation, After the window opened, the oppression like in cage and stain in ...