... vacuum aluminium.Twisting and drawing film:LLDPE series co-extrusion casting drawing and twisting film is used ... ,and waterproof.Stationary film:Stationary film has wide usage,such as:document bag,clip,separate page ... film machine, cast film extruder, extrusion film machine, cpp extrusion line, cpe extrusion line, film extrusion machine, film extrusion line, multilayers film machine, multilayers ...