At seven panel we use superior pvdf paint of international pvdf Aluminum composite panel. The paint goes through duplex or triplex Coating or high temperature baking to form 25-35 um thick cured film On the surface of the aluminum panel featuring maintenance free design, Great corrosion and weather resistance, and excellent self cleaning and Adhesive properties, the pvdf aluminum composite panel ensures the Building facade maintains brightness and beauty for 10-15 years. 1. Thickness: 2mm, 3m