Sandwich panel, composed of two formed metal panel (or other material panels) and directly in the middle of the panel foaming, curing the core forming polymer composition insulation, easy to install, lightweight and efficient. Filling system is closed-cell molecular structure that can prevent moisture condensation. Sandwich product is formed by two layers of metal panels (panels or other material) and foam directly in the middle panel, curing the polymer composition forming the core insulation. The finished sandwich panels easy to install, lightweight and efficient. Filling system is closed-cell molecular structure that can prevent moisture condensation. Forming an outer plate full account of the structure and strength requirements, and both beautiful sandwich, a plate forming the inner surface layer to accommodate a variety of needs. Characteristics of sandwich panels: 1, light weight, weight per square meter less than 24kg, can substantially reduce the cost structure. 2, quick installation, light weight, plug, installation and free cutting characteristics, determine its simple installation, can improve efficiency, save construction period. 3, fire, Sandwich plus core plate surface material and insulation material is non-burning or flame retardant materials to meet fire code requirements. 4, fire-resistant, color steel security with a special coating Suntec 10--15 years of home improvement sandwich after sandwich every decade spraying anti-corrosion coating plant, plate life of more than 35 years. 5, appearance, pressure plate clear lines up to dozens of colors, can meet the needs of any style of building. Sandwich company, sandwich, loyal love activity room Ltd provided by Nanjing Steel loyal love. Nanjing loyal love Steel Ltd. (www.njzhongai.com) strong, credible, in Nanjing, Jiangsu Province and other activities of the industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead activities of faithful love and you hand into the brilliant, for a better future!