rolling shutter,we have slat type 33mm,37mm,49mm,55mm,65mm,77mm,100mm or as clients' request rolling shutterAll the aluminium roller shutter profiles ... control, switch or manual mode.Specified size aluminium roller shutter could be custom made. Roll shutters could be installed ... or electrically from the inside. It is one kind of shutter with much function such as energy saving, theftproof, rainproof, ...