... such as: Warehouses Distribution centres installation way for the roller shutter : roller shutters Perfomance: 1)Slat option: 32, 37, 42 ... Surface Finish: Powder Coating 7) Mterial: 6063T5 aluminium 2. roller shutters Quality Control: (1) Material Select: Using 97% purity ... theftproofing, noiseproofing, warm kepping. All kinds of Shinilion roller shutters 's style and colors are adjustable to users ...