SJZ series conical twin screw extruder is an efficient mixing, extrusion equipment. Having a small shear rate, the material is not easy to break down, plastics mixing uniformity, high yield, excellent quality, good self-cleaning, adapt to a wide range of long life and other advantages. PVC powder molding directly to good effect. Automatic temperature control, vacuum exhaust, screw core oil cooler, two barrel cooling cold air or oil.