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The fanfold paper folding machine is an automated packaging equipment specially designed for kraft paper materials. It is mainly used to accurately fold flat kraft paper into a fan shape, and then used to fill gaps in product packaging, replacing traditional foam and plastic fillers.
link:https://www.airwrapping.com/packaging-production-line/fanfold-paper-folding-machine/fanfold-paper-making-machine.html
Fanfold Paper Folding Machine