PE shrink film: by ethylene polymerization, depending on the density is divided into high-density polyethylene, medium density polyethylene and low density polyethylene. Tubular membrane can be made, L-fold film and monolithic membrane, and the other based on customer needs processing into a tube bags, flat pocket and trapezoidal bags. The product has the following advantages (1) high transparency, and good gloss. (2) flexibility, and ease of use. (3) shrinkage, shrinkage of up to 70%. (4) heat sealing performance, high strength, suitable for manual, semi-automatic and high speed automatic packaging. (5) cold resistance, suitable for storage and transport of packaging materials in a cold environment. (6) environmental non-toxic, packaged foods. (7), moisture and dust. (8) packaging, low cost, superior to the carton and other materials packaging. Applications: pharmaceuticals, beverages, mineral water, beer, laminate flooring, palletizing, building materials, metal products, dairy products, glass bottles, industrial paper and other large need packaging equipment, articles, etc.