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filmblowingmachine|theprofessionalmanufactureroffilmblowingmachinewithgoodperformance,filmblowingmachineisusdedforblowinghigh-lowpressurepolyethylenefilm;thescrewandbarreloffilmblowingmachineismadeofhighquality38CRMOALAsteelandtreatedbynitrogen.

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