On the panel to be divided into two types: metal and nonmetal two panel panel. Metal panels easy processing, can be made into a variety of shapes outer wall sandwich panels, but some cases of non-metallic panels with metal panels that fall effects, such as corrosion resistance, impact resistance and other aspects. Sandwich panels of steel sandwich panels manufacturers, the use of foreign imported high-quality galvanized zinc or galvanized color coated steel sandwich panels Price, plate thickness and domestic Baosteel color coated steel production 0.45mm-0.6mm, according to the needs of users and to develop, sandwich panels can be used in the construction of large industrial plants, warehouses, hangars, office buildings, luxury villas, stadiums, exhibition halls, hospitals, supermarkets, the roof and floor, ultra-clean workshop, food shop and other buildings.