The sandwich panel consists of two molded metal panels (or other material panels) and a high polymer thermal insulation core that is foamed, cured, and formed directly in the middle of the panels.

Color Steel Sheet, also known as Color Coated Corrugated Sheet, is a type of profiled sheet made by rolling and cold bending colored steel plates into various wave patterns.

It is suitable for industrial and civil buildings, warehouses, special-purpose structures, large-span steel structures, and for roof, wall, as well as interior and exterior wall decorations. It boasts features such as light weight, high strength, rich color options, easy and quick construction, earthquake resistance, fireproofing, waterproofing, long lifespan, and maintenance-free. It has been widely applied and promoted.