Fully Automatic Aluminum Sheet No 4 Oil Polishing Machine is designed to make surface polishing for the aluminum sheet. Composed of Automatic loading and unloading device, No.4 aluminum No.4 main polishing machine for front and back surface each, cleaning and drying device, etc this aluminum polishing machine is fully automatic, which save your a lot labor cost. This aluminum sheet No.4 polishing machine can polish the aluminum sheet with thickness from 5-100mm, aluminum sheet width 1600mm.