Protective performance of PVC heat shrinkable film
Packaging printing - Bag bag making process
by：Kolysen
2020-06-28
【 Composite bags 】 Composite flexible packaging material to be made into all kinds of packaging bags can finally use. Bag there are two ways, one is packing with vendors using film in automatic packaging machine, filling and forming into various packaging bags; Another is due to the bag making mechanism into various bags before loading content. Due to the professional bag control precision, beautiful bag type, change of bag, bag type, therefore, in quite a few cases, is first made into bags. Bags of the main varieties are: 3-side ( Crossing their seal) , back seal bags, folding help ( The organ bag) , vertical bag, etc. 【 Packaging printing 】
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