poster board 1, 11 years working experience 2, 4 production lines ... ,ISO9001 system 3mm novelty aluminum composite panel used for poster board 1.Specifications: Thickness: 1mm, 2.5mm, 3mm, 4mm, 5mm ... : 3mm/4500sqm Colors: Silver, flash silver, gold, flash gold, white, red, black, marble design, wooden design, golden mirrior, silver ... 3mm novelty aluminum composite panel used for poster board