Blend Polyol, Flame Retardant, Polyether Polyol manufacturer / supplier in China, offering Polyol of Continuous Line Sandwich Panel, Polymeric Mdi Isocyanatepm-200 with Blend Polyol for Rigid Polyurethane Foam, PU Chemical Materials Methylene Diphenyl Diisocyanate Mdi Wannate® Pm-200 and so on.
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