... 3.high quality of products The unit integrated film-blowing & printing that was designed can save labor force, workshop rooms, and ... the quality of products And economic results.It is applied to blowing films like low density polyethylene (LDPE), high density polyethylene ... ) and linear low density (LLDPE), etc..It is widely applied to packing foodstuff, clothing, rubbish bags, vest ones, etc.. In the ...