Specifications 1.Parallel Twin Screw&Barrel,Shaft&Cylinder 2.38CrMoAlA;42CrMo,SKD61;GH113 3,Wc/co,Ni,Mo alloy 4.long working life,wearproof for good plasticizing effect, we have different design of screw barrel to meet customer's demand: gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type, exhaust type, pin type, double-head type, multi head type etc. it is suit for PA.PP.PC.PE.ABS.AS.PS.PVC.PMMA.LCP.PBT.PET.PPC.PPS.PAR.PO.Magnetic...