Detailed offer Description  SJZ series conical twin screw extruder is a highly efficient agglomerating and extruding equipment.Machines of this series feature low shearing rate,uneasy degradation,even plastication and agglomeration,reliable quality,wide application range and long servicing life. Using PVC powder as raw material for a direct forming,the exturders perform an excellent effectiveness.These machines have automatic temperature control,vacuum gasexhaustion,oilcooled screws ,stepless speed regulation,as well as a forced feeding and self-cleaning mechanism.