poster board 1, 11 years working experience 2, 4 production lines 3, ... acceptable 4, SGS,ISO9001 system 3mm novelty aluminum composite panel used for poster board 1.Specifications: Thickness: 1mm, 2.5mm, 3mm, 4mm ... weightweather and UV resistanceeasy forming and processing Color chart Aluminum composite panel picturesprojects 3mm novelty aluminum composite panel used for poster board