This unit uses LLDPE as main materail and mixes several kinds of addictives to manufacture self-sticky PE cling film by extruder. In the process of production, the raw materails will not be mixed additives harmful for health and contaminative for environment. The film had high tensile strength, good fog drip performance, high transparency, good surface glossiness. The commodities packaged could show original characteristics and glamour, more beautiful. The film can keep freshness of food, prevent the loss in quantity, dry and taste mixing, and be safe and hygines. So it is widely used for packaging and storing vegetable, cold fish, compote, raw and ripe meat, flour goods and so on in supermarket, guesthouse, restaurant, bakery and family etc.