Polyurethane metal surface color steel sandwich panel is an energy-saving and beautiful cold storage panel. Widely used in low temperature storage of biological products, food, aquatic products, medicines, chemicals, etc. The product has excellent performance and is widely used in the construction industry, large-scale industrial plants, large-scale storage, large and medium-sized cold storage, airport construction, chemical industry, energy, gymnasium, (hospital, electronics, aquatic products, food) purification workshops, office buildings, etc.