Primary Plasticizer, Secondary Plasticizer, DOP manufacturer / supplier in China, offering Polyether Polyol PPG 600/1000/3000/5000 Polyether Polyol, PU Raw Material Polyurethane Foam Conventional Polyether Polyol PPG3000 MW3000 for Flexible Foam, Organic Chemical Polyurethane Raw Material Polyether Polyol/PPG for High Resilience Polyurethane Foams and so on.