Polymeric Mdi, Polyether Polyol manufacturer / supplier in China, offering Vtb Bank Available Mdi Isocyanate Mr-200/Pm-200/M20s/5005/44V20L/M-200 CAS 9016-87-9, PU Foam Chemical Isocyanate Mdi Mr-200/Pm200/44V20L/M20s/M-200/5005, Closed Cell Polyurethane Foam Chemical Isocyanate Mdi Mr-200/Wannate Pm200/44V20L/M20s/M-200 and so on.