Rock wool sandwich is a sandwich board made of wool as raw material. Rock wool sandwich core materials give full play to the unique properties of wool rock wool sandwich panel manufacturers, in fire protection, thermal insulation supply wool sandwich panels, acoustic insulation and other aspects have a significant effect. Classification and process color steel sandwich panels currently used in more types are: Color polyurethane composite rock wool sandwich board, color steel polystyrene foam complex, polyethylene materials, phenolic foam foam plastic, three types of materials straw board inorganic fiber material wool panels. Plywood, composite panels Caigangyanmian.