1.blowing both LDPE,HDPE,LLDPE 2.save labor force, workshop rooms 3.high quality of ... to blowing films like low density polyethylene (LDPE), high density polyethylene (HDPE) and linear low density (LLDPE), etc..It is widely applied to ... packing foodstuff, clothing, rubbish bags, vest ones, etc.. In the civil and ...