... to be pipes, profile, boards. SJZ series conical twin screw extruders are used to produce various thermoplastics especially PVC ... : ABBTemperature controller: RKC(Japan) or OMRONContactors: SIEMENS 2:The machines are designed with overloading protection, trouble alarm, emergency ... know any further information about our SJZ series conical twin scew extruder, you welcome to contact with sophia. 4 ...