国产精品久久久久永久免费看,国产亚洲一卡2卡3卡4卡老狼,二级成 人影片 免费观看,98色婷婷在线

EnglishEnglishen
other
NEWS

Operation steps of non-woven bag making machine

  • 2023/12/12

1. Raw material preparation: PE (polyethylene). It can be used as a food packaging material, non-toxic, odorless, and tasteless.
2. Blowing film: The process of turning plastic particles into plastic film.
3. Cutting: The thin film produced by the blowing process is very wide and needs to be cut into the desired width.
4. Color printing: Set according to the sample pattern, and then use a color printer to print on PE film.
5. Film cutting: Cut the printed film to the required specifications.
6. Bag making: Use a bag making machine to heat seal the film.
7. Packaging: Take the bag and print the date, open and fill, heat and seal, shape and output.



Copyright ? 2023 Zhejiang Zhengxin Machinery Co.,Ltd.

top