... -noise ,easy installation ,anti-earthquake etc. 1) dimensions of Aluminum Composite Panela) thickness:3mm,4mmb) width:1220mmc) length:2440mm,3050mm,3200mm ... resistance,unique colors can be easily maintained 4)applications a) may be widly used in gallaies,exhibition,saloons,stores ... decorationstelephone tooths,vehicle bodies,yachts,industrial usage etc. 3mm Aluminum composite panel use for engraving