Feature: We are Hunan Huatian Aluminium Co.,ltd,and we have been in ACP field for 11 years here in China,recent years we have successfully developed the toppest Grade-A firepoof aluminum composite panel,it's widely used in the public places,such as subway and international airport. the standard size is 1220*2440mm,and the core is white color,it's made of uninflammable polyethynene(core) and anti rust 0.5 aluminum coils.panel thickness 4mm,aluminum thickness 0.5/0.5mm with the PVDF coating. Packaging: In wooden case