... :CE,ISO 4)Model:SJZ,JYH,SJ The pipe extruder and extrusion line is mainly used for water discharging in agriculture, buildingand ... 1)This extrusion line is made up of extruder, vacuum calibrator, hauler, cutter and stacker.2)The main extruder has three types these ... are equipped in the vacuum pump and haulermotor.9)There are two-pedrail, three-pedrail, four-pedrail, and six-pedrail haulers to be chosen ...