Polymeric Mdi, Polyether Polyol manufacturer / supplier in China, offering Pm200 Polymeric Mdi Isocyanate for Polyurethane Foam Wanhua Pm200 Raw Material CAS 9016879 Certified, Wholesale 99.5% Pm200/400/5005/44V20L PU Insulation Polyurethane Foam Isocyanate Polymeric Mdi for PU Foam, White Crystalline Adipic Acid 99.8% - Industrial Use in Plasticizers, Food Additives & Polyamides and so on.