Mdi Isocyanate, Polyether Polyol, Polymeric Polyol manufacturer / supplier in China, offering Two-Components Closed-Cell Polyurethane Foam Polyol & Isocyanate for Block Foam, Two-Component Closed-Cell PU Foam Polyol & Isocyanate for Pipeline/Pipe Shell/Pipe Support, Closed-Cell PU Foam System Polyol & Isocyanate for PIR/PUR Sandwich Panels and so on.