Dersion sandwich panel adopts the special color steel, color aluminum plate and other metal plate as the surface, and use rock wool, aluminum honeycomb and glass magnesium plate and other material as sandwich to make the panel. Due to the special performances as dust prevention, electrostatic prevention, antibiosis and so on, it’s widely used in the purification engineering which has very strict requirement for the indoor environment, such as electronics, pharmaceuticals, medical, food, biology, aerospace, precision instrument manufacture and scientific research.