1.Anti-Oxidant 2.Corrosion-resistant 3.Insulation 4.shock resistance 5.light weight Features1, will be easier to install, better vision impression of decoration, smooth bead wale on surface, easy to clean. 2,the fender is more strengthen,better rigidity panel, sandwich panels will be easier to install. 3,Our product is of stable quality,low price.We have passed the TS16949 certificate.