poster board 1, 11 years working experience 2, 4 production lines 3, ... ,ISO9001 system 3mm novelty aluminum composite panel used for poster board 1.Specifications: Thickness: 1mm, 2.5mm, 3mm, 4mm, 5mm, 6mm ... .5-6kg/sqm baesd on 4mm thickness Thickness of aluminum foil: 0.15mm, 0.18mm, 0.21mm, 0.30mm, 0.35mm ... panel picturesprojects 3mm novelty aluminum composite panel used for poster board