Constitution structure: 1) Coating 2) Aluminum sheet 3) Macromolecule lamination film 4) Polyethylene core 5) Macromolecule lamination film 6) Aluminum sheet 7) Service coating Advantages: 1) Excellent coating 2) High peeling strength 3) Lightweight and rigidity 4) Color uniformity and durability 5) Excellent insulation of thermal conductivity 6) Anti-toxicity and safety 7) Workability Specifications: Standard: 1) Total thickness: 4mm 2) Aluminum thickness: 0.5mm 3) Width: 1,220, 1,250mm 4) Length: 2,440, 3,220mm Option: 1) Total thickness: 3, 5, 6mm 2) Aluminum thickness: 0.3/0.4mm 3) Width: 900, 1,270, 1,500mm 4) Length: any length Notes: optional items and customers'''''''''''''''''''''''''''''''' colors are subject to the respective minimum quantity. Packing: Export wood packing