... ,fluorin rubber,fluorin plastics,PPcigarette filtering material and TPR sole materialReaction extrudingPolyamide condensate,polyamide melting ... polymerization,polyamide polyethrne-adding,polycarbonate condensate,ectExhausting and VolatilizationPolystyrene oxide,high-absorbing resin,chlorine sulphur ... ,acrylateCERTIFICATION:Extruder screw elements co-rotating twin screw extruder screw and barrel