On the core material to be divided in six: 1 EPS sandwich panels of polystyrene sandwich that is (in the market, Nanjing sandwich canopy, currently the most widely used varieties); 2 extruded polystyrene sandwich. That XPS sandwich; 3. That PU rigid polyurethane sandwich panels sandwich; 4. Three polyester sandwich ie PIR sandwich panels; 5. That PF Phenolic sandwich sandwich; 6 rockwool That RW sandwich sandwich. Speaking of sandwich panels, many of my friends probably do not familiar with. Sandwich panels is the world's most respected new material, it is not only high-tech, and very green, Nanjing sandwich board fence, usually for large factories, supermarkets, hospitals, gymnasiums and so on. Sandwich is now being used in life more and more. Sandwich panels is currently one of the most common building material products, sandwich, not only can be a good fire-retardant insulation and environmentally efficient. Color steel sandwich panel has two layers of metal panels and middle polymer insulation core repression. It has the ease of installation, light weight and environmentally efficient. And closed-cell molecular structure filling system can prevent moisture condensation. Nanjing Caigangyanmian sandwich, loyal love building (online consultation), sandwich panels Ltd. provided by Nanjing Steel loyal love. Nanjing loyal love Steel Ltd. (www.njzhongai.com) is Nanjing, the activities of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In loyal love activities of leadership with the staff warmly welcome all inquiries negotiations to create loyal love activities of a better future.