Uses and Features 

The cylinders and screw rods of extruders are all made from high-quality alloy steel through nitriding and precision machining, ensuring optimal harness and corrosion resistance. The machine unit is provided with one set of extruders and two pairs of machine heads according to scientific design, has the advantages of improving productivity and saving energy, labor force and factories, and is used to blow low-density polyethylene (LDPE) and high-density polyethylene (HDPE) plastic films. The plastic films can be made into various vest bags and flat bags widely used in packaging for food, apparel, textiles and industry.