Blend Polyol, Flame Retardant, Polyether Polyol manufacturer / supplier in China, offering Simple Process, Cold Storage Panel Can Be Used Repeatly Blend Polyol Used for Discontinuous Sandwich Panel Designed with Hcfc-141b System, Low Cost Long Service Life 0 Odp Blend Polyol for Rigid PU Foam Spray, Used for The Insulation of Polyethylene Winding Prefabricated Directly Buried Pipes, Strong Adhesive Force Convenient Construction No Seams Spray Rigid PU Foam Blend Polyol Used for The Insulation of The Wall of Storage Insulation and so on.