Panel Wooden finish aluminum composite panel refers to the surface roll of aluminum panel painting vein and marble effect. Aluminum composite panel has many characteristics such as good workability and lightweight, so it can take the place of stone and lumber. In the front of the aluminum panel, it is covered with stripped protective film. At the back of the aluminum panel, corrosion resistant surface though chemical pretreatment or corrosion resistant polyester oil painting. Specification: Thickness: 3, 4, 5 ,6 mm Width: 1000-1590 mm Length: according to user needs Main purpose: building external wall, curtain wall, airport, railway station.