aluminum mineral wool composite board(dark frame) specifications 600mm * 600mm, thickness 0.6-1.0mm, plate edge height 27-30mm, aperture Φ1.0-3.0mm; New materials made of aluminum foil, aluminum plate and mineral wool board can be customized with specifications, sizes, materials and colors. At present, it is widely used in senior office buildings, offices, factories, hospitals, banks, computer rooms, exhibition halls, etc.