... &wallPVC or aluminum alloy doorDoorSliding or rolling doorInsulation panelEPS,XPS,Rock wool , PU sandwichMaterial Q235B Q345B China standard steel Sheet 0.5mm ... &wallPVC or aluminum alloy doorDoorSliding or rolling doorInsulation panelEPS,XPS,Rock wool , PU sandwichMaterial Q235B Q345B China standard steel Sheet 0.5mm ...