One screw-type depending on the performance and usage of foam sandwich panel manufacturers, screw-type materials can be divided consolidation nails, nail, self-tapping screws, self drilling screws, metal expansion bolts, plastic expansion bolts, hit core aluminum rivets. Second, the composition of the adhesive type adhesive foam sandwich panels based on price, can be divided into organic adhesive, urea-formaldehyde resin adhesives, melamine formaldehyde resin adhesive, one-component polyurethane adhesive, double set part polyurethane adhesive and the like. Conventional inorganic adhesive cement, plaster, water glass. Common organic - inorganic composite adhesive plaster adhesive -a polyvinyl alcohol, polyvinyl B adhesive plaster, water glass slag adhesives, polyvinyl acetate adhesives and other cement. Upper and lower surfaces: galvanized color steel, thickness of 0.4-0.8mm. According to the specific requirements of customers, but also can color galvanized steel or galvanized steel. After the first steel roll forming machine composite rock wool factory.