1.Specifications of Aluminum Composite Panel Standard size:1220mm*2440mmPanel thickness:2mm,3mm,4mm,5mm,6mmAluminum coil thickness:0.05mm to 0.50mmWidth:1220mm,1250mm,1500mm,1570mmLength:2440mm,3200mm,3500mm,5000mm,6000mmColor choices: 45 common solid colors,brushed,mirror....Special colors and non-standard sizes are ok!!!2.Structure of..