Detailed Product Description SJSZ conical twin screw extruder is developed by our company with even ... from PVC powder. Electric control systems of this series of conical twin screw extruder are in two types, common control system ... 400 750Major Products and Services:PIECE (PLATE) MATERIAL EXTRUDING LINE, CONICAL TWIN SCREW EXTRUDER, SJ SERIES PLASTIC PIECE SINGLE SCREW EXTRUDER ...