Polymeric Mdi, Polyether Polyol manufacturer / supplier in China, offering Polyurethane Rigid PU Foam Material for Refrigerators and Heat Preservation Containers, Refrigerator Interlayer Polyurethane Foam Insulation Material Blend Polyol and ISO Polymeric Mdi, PU Injection Foam Chemical Polymeric Mdi ISO and Blend Polyol Used for Refrigerator/Freezer Thermal Insulation Interlayer and so on.