... main products cover PE/PA extrusion films PE plastic film vacuum packaging film /bagFrozen vacuum bagsFrozen pouchOur main products cover PE ... /PA extrusion filmsPE/EVOH extrusion film Thermoforming bags,frozen vacuum bags,frozen pouchFrozen vacuum bag ... made from high barrier coextruded film which can prevent items fromVapor,aroma,middew,oxygen, ...