Aluminum Composite panel ,CE ,SGS standard 1. Feature1) Well weather-resistance, high rigidity, easy ... impact-resistance, superior surface flatness, lightweight, rigid. 2. Specification1) Standard size: 1220 x 2440 x 3mm / 4mm / 5mm / 6mm ... a 20' container(for standard size: 1220 x 2440mm):3mm panel, 1500pcs 1850pcs4mm panel, 1200pcs 1500pcs5mm panel, 750pcs 1200pcs6mm panel, 650pcs 1000pcs Aluminum ...