... sandwich panel,40kg/m3,fire retardantFoaming materialPM200Panel width960mm is standard size, or on your requirementPanel thickness50mm,75mm,100mm,150mm,200mmSteel thickness0.326mm ... etc.Steel covercolor steel,stainless steel,aluminum steelPanel connectioncam lock type,use hexagonal key to assemble and disassembleType doorhinge door,semi ...