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When dealing with the problem of edge cracking of PVC zipper bag
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When dealing with the problem of edge cracking of PVC zipper bag

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[Abstract]:
When dealing with the problem of edge cracking of PVC zipper bag, the manufacturer should pay attention to the fact that the voltage of the edge part cannot be too explosive

When dealing with the problem of edge cracking of PVC zipper bag, the manufacturer should pay attention to the fact that the voltage of the edge part cannot be too explosive, generally about 3mm type, and secondly, the stressed area