layer co-extrusion nylon film Structure: PA/PE/PA/PE/PE PA/EVA/PE/PA/PE PE/PE/PA/PE/PE PA/PE/PE/PE/PA We have imported five-layer blowing film equipments with international top level and manufactures strctly adhere to the production technology rules and files of standard operation process under the purifying environment with cleanliness grade 1000 and partial cleanliness grade 100. After many experiments or fumbling, production technology gradually gets perfect, adopt the advantages of various medical resin, and improve the disadvantages of each single film. Every index of multi-layer co-extrusion films used for transfusion set has reach or exceeds the national standard and become the first enterprise in China that has get registered certification of Class Imedical 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 and the company can steadily produce non-PVC five-layer extrusion film for transfusion set in a large amount. Consequently, the situation of transfusion film monoopolized by the foreign counties was broken. In this way, the company reduces the cost of non-PVC transfusioin set and creates advantages for the increasing of market share.