... machinery 1. Use PVC powder 2. Make sheet,profile,pipe etc 3, Plastic machinery with 300kg/h 4, Siemens,ABB,Ormon Plastic machinery ... : The SJSZ series conical twin screw extruder with specifically screws ,model and other auxiliaries machines can directly convert thermoplastic especially PVC ... 1.excellent plasticization 2.stable performace 3.extruding PVC,PE,PP pipes, sheets,profile , granule . ...