The production of light-weight heat insulation board in the project belongs to "3. Development and production of new wall and roof materials, heat insulation and sound insulation materials, building waterproof and sealing materials" in "12. Building materials" encouraged by "Guidance Catalogue for industrial structure adjustment (2011 Edition)", which is in line with the national industrial policy. According to the 2012 industrial revitalization and technical transformation project jointly organized by the national development and Reform Commission and the Ministry of industry and information technology, "2012 industrial revitalization and technical transformation project key direction", the product belongs to the key direction "topic 4, Article 1: new green building materials:" focus on the development of safety and environmental protection type external thermal insulation materials, light energy-saving wall materials, flame retardant, heat insulation and waterproof sealing materials Materials, thermal insulation and noise reduction materials, environment-friendly decoration materials, and new building materials such as energy-saving doors and windows, energy-saving walls and energy-saving roofs. "