... are primary consideration such as: Warehouses Distribution centresinstallation way for the roller shutter :roller shutters Perfomance: 1)Slat option: 32, 37, ... 55, 56mm 2) Rail option: 54, 65mm, 68 mm hurricane guide rail 3) Motor: 40 ~ 100 Nm (tubular motor) 4 ... , theftproofing, noiseproofing, warm kepping. All kinds of Shinilion roller shutters 's style and colors are adjustable to users requirement ...