Sandwich wall panel: 1. 50mm, 75mm, 100mm thickness. 2. easy construction 3. good appearance 4. fire- resistant Wall Panel.size: 50mm, 75mm,100mm,150mm,200mm1. eps sandwich panel2. insulation function3. fire-resistant.4. easy construction5. low cost6. environmental protection7. low weight8. good looking.9. used widely in industry warehouse, workshop. Prefabricated house and so on.