aluminum rolling shutter ,aluminum rolling door,garage door roller,slat type:33mm,37mm,39mm,49mm,50mm,55mm,65mm,77mm,100mm. Aluminum profile/slats for rolling shutter and door. aluminum roller shutter,roll-up shutterAluminum roller door / Garage roller door / Roller Garage Doors.It can open or close automatically by Remote control. And it is beautiful with many types. We have the slat type 33mm, ...