* Suitable for blowing LDPE, HDPE,LLDPE film. * Widely used in packaging for industrial products, textiles, apparel, food, agricultural,etc. * The cylinders and screw rods of extruders are made of high-quality alloy steel, nitrided and precision machining. With the best hardness and corrosion resistance. * Platform rail worktable to be operated more convenient. * The rolling device adopts torque motor to keep proper tension, orderly rolling and convenient to replace the roll.