... 3.competitive price 4,high speed film blowing machine:Main Features: 1>The extruder, barrel and screw rods are made of high quality ... production capacity. 2>It is applied to blowing the plastic films like LDPE, HDPE and LLDPE.4>It is widely applied to ... produce the packing bags for food, clothing, rubbish bag and vest ones.Main Technical Variables:TypeSJ45SJ50Applied materialLLDPE/ LDPE/HDPELLDPE/ ...