The company has inported five-layer blowing film equipments with international top level and manufactures strictly adhere to the production technology rules and files of standard operation process under the purifying encironment with cleanliness grade 10000 and partial cleanliness grade 100,After many experiments of fumbling .production technology gradually gets perfect.adopt the advantage of various medical resin,and inprove the disadvantages of each single film.Ever index of multi –layer co-extrusion films used for transfusion set has reach or exceeds the national standard,and vecome the first enterprise in China that has get registered certification of class 1 medical package material and container which issued by State Food and Drug Administration.The film we produced can adapt to all the pharmaceutical factories’ automatic filling line the company can stedily produce non –PVC with five –layer extrusion film for tranfusion set in a large amount .Consequently .the situation of transfusion film monopolized by the foreign countries was broken .In this way .the company reduces the cost non-PVC transusion set and creates advantages for the increasing of market share