... several kinds of plastic products,for example:film,pipe,rod,plate,thread,cable insulating layer,hollow product.It is ... /3020030:12006000040550SJ200/3420034:140055000751500SJZ series plastic conical twin screw extruder is developed by our company is featured by high ... There are two kinds of electric controlling systems for this extruder, common instrument control system and computer control system.3. ...