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Solution:1. Increase the number of air holes to accelerate air leakage···
PVC heat shrinkable short packaging is a packaging for some food produ···
One is PE, which is mainly used to wrap heavy objects, such as optical···
Heat shrinkable film (POF), also known as multilayer co extruded polyo···
POF is mainly used for labeling, heat shrinkable packaging, or wrappin···
Shrinkage film is a thermoplastic film that is stretched and oriented ···