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1. PE flat pocket is the simplest production process. After the film is blown by the machine, it is cut into a bag on the bag making machine and the bottom is sealed.
2. The self-sealing bag is a bone strip when the film is blown by the machine, which can be manually sealed. Unlike zipper bags, these two types of bags are generally confusing.
3. The zipper bag is made of PE film, and two zipper chains (the clip chain is separately produced) are added on the bag. The bag has a relatively wide indentation on both sides, but the ziplock bag does not. Ziplock bags print less color, while zipper bags can print complex patterns.
4. The ziplock bag has a tongue like an envelope. A strip of glue is attached to the tongue. When folded, the bag can be sealed. There are more general clothing categories. And the courier bag is actually a kind of envelope bag.
5. Punching the tote bag is to make a hole in the appropriate position on the top of the flat pocket to facilitate lifting the bag.
6. Hand-held handbags are to be added with plastic film strips on the top of the bag to facilitate the lifting of the bag. This process is labor-intensive and relatively expensive.
7. The zipper bag is equipped with a zipper and a zipper cap at the bag seal.
8. PE film is a film that does not make a bag after the machine is blown out. It is also divided into a wrap film and a shrink film.
