SJZ cehbz conical twin screw extruder is a highly efficient agglomergating and extruding equipment. machines of this series feature low shearing rate, uneasy degration, even plastication and agglomercation, realiable quality, wide application range and long servicing life. Using PVC power as raw material for a direct forming, the extruders perform an excellent effctiveness. These machines have automatic temperature control, vacuum gas exhaustion, oilcooled screws, stepless speed regulation, as well as a forces feeding and self-cleaning machanism.