... kinds of style and colors are adjustable to users requirement. Aluminum roller door Perfomance: 1) Slat option: SLLP77,78,1002) Rail ... ways: Manual, electric and remote-controlled operation, After the window opened, the oppression like in cage and stain in vision will ... -proof , noise-proof , warm-keeping .Save energy design,when the roller shutter closed, can saving 30% energy, obstructed 100% sunshine ...