Equipment using a combination of polyurethane materials, which are widely suitable for: building facades, interior wall, roof, cold storage, granary, refrigerated trucks, tanks, such as insulation, cold insulation, wall insulation, solar, water heater, refrigerator, water tank, broken bridge aluminum, beer cans, security doors, pipe and other various occasions need heat/cold. Can also be applied to the product packaging, the buffer role. Provide excellent waterproof performance, thermal insulation, waterproof, environmental protection, light weight, good bonding, low coefficient of thermal conductivity, excellent performance. High construction efficiency, progress fast, good quality, long service life.