PU Raw Material, Polyurethane Adhesive, Silicone Surfactant manufacturer / supplier in China, offering PPG3000 3500 Pop15% Pop25%, Polyether Polyol PPG 3000/3500MW for Rigid & Flexible Polyurethane Foam, Rigid PU Foam Chemical Polymeric Mdi Isocyanate 44V20L/M20s/Pm200/M-200/5005 and so on.