re: PE inner bags flow

Polyethylene material is heated by an extruder and extruded in melt plasticization. The extruded polyethylene film is extruded into a cylindrical film through a die head and inflated with compressed air to form a tube. The tube is cooled and shaped by a cooling air ring and pulled into a mezzanine Equivalent, the traction roller, drive roller to
Winding roller, the final cutting, heat sealing process to complete the production of lined bags, the final bagging.
    
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