... based on stable quality, timely service and competitive price.Extruder screw introduction:Screw Kneading block built ... :combustion-supporting machine pelletsPP,PE,PS ect +starch:de-composing machine pelletsPE+fog- ... high-absorbing resin,chlorine sulphur polyethylenePowder paintPolyester,ring oxide,lactide,polyurethane,acrylateCERTIFICATION:Extruder screw elements co-rotating twin screw extruder screw ...