What is the raw materials of shrink film?

POF heat shrinkable film manufacturers introduce what shrinking film we usually use is usually made of what raw materials?

Heat shrink packaging machine

Heat shrink packaging machine ensures stable packaging processing during the circulation of products and implements reasonable and accurate circulation packaging.

Automated case erector features

Case erector features: automatic unpacking, right angle forming, bottom bottom folding cover, bottom adhesive tape, high speed and high efficiency, easy operation and low packaging cost.