1:Die head adopts layer type spiral mandrel , 2: 360 ... home and abroad in structure design, and can continuously blow various LDPE, HDPE, LLDPE, MLLDPE and packaging films ... can be widely applied to light and heavy packaging for various fresh fruits, meat food, pickles, fresh milks ... insulation and oil resistance.. Features:1. The machine head adopts a layering spiral core rod type to realize ...