... or as request; Material: Aluminium; Drive mode: Motorised, motorised with manual, manual, OEM or ODM is opitional All the aluminium ... roller shutter profiles are made of 6063-T5 aluminum alloy with excellent powder coating in surface, and specified color ... electrically from the inside. It is one kind of shutter with much function such as energy saving, theftproof, rainproof, noiseproof, ...