... panel.Pls kindly tell us what kind of semi-trailer do you want? We have Ordianry Semi-trailer, Refrigerated Semi-trailer, Wing ... Certificaiton, TS/ISO16949:2002 Certification, 3C Certification.We can offer you Thermo King Refrigerated Unit, Carrier, Kingtect and So on which ... steel sheet, FRP(Fiber-glass Reinforced Plastic), Aluminium Sheet.If you need more information, Just contact me and I will reply ...