250mmX30mm PVC Hollow Panel 1.Strong hardness 2.Corrosion resistance 3.Aging resistance 4.Smooth surface 250mmX30mm PVC Hollow Panel :Our company produced PVC hollow panels which is national promotion used green products,waterproof,fire retardant,anti-corrosion,no deformation, light weight, high color fastness, produced only by PVC profile extrusion technology, free lamination, especially for ...