Enhanced polyethylene film blowing machine unit advantage introduced, using a special extrusion systems and die (can be equipped with rotating head) structure. Advanced technology, reasonable compact configuration, running balance, easy operation and maintenance, and with domestic and international famous electrical components. Its head plastics extrusion systems and functions, to modern advanced level, to adapt to the production of LDPE, HDPE, LLDPE blend stocks. Production of film products, superior performance not only in the traditional LDPE and HDPE, high quality and low cost, good plastics, film uniformity, high strength, good transparency, non-toxic, and other fine features.