... : Magnesium board2. Specification: (L*W*T) 1200-3000mm X 610,915,1220mm X (30,50,75,100,150,200mm)3. Usage: Interior ... conditionsCharacteristics:Energy-saving, lightweight, and environmental protectionPolyphenyl granule in Vanjoin board has good heat-insulation effect and heat lost ratio is ... buildingWaterproof and damp resistant,With fireproof feature Magnesium Oxide/MgO board,MgO sandwich panel