Features: The surface is high grade of polyester, PVDF polyester and fluororesin paint. The face metal sheet can be used the galvanized sheet, 304# stainless steel sheet, aluminum-magnesium-manganese sheet and aluminum alloy sheet. So it has good anti-corrosion, acidproof, anti-crack, thermostability and ageing resistance. The core materials is A-class flame resistant(except paper honeycomb). There is neither melting during burning nor high temperature decomposing dripping. As a first choice product of cleaning room, operating room, pharmaceutical factory, electron workshop, high grade purification laboratories. It is characterized by high intensity, impact resistance, good shock resistance and easy construction and insalltion.