干操视频18不禁无码_亚洲人成网站在线播放青青_久久99精品久久久久久齐齐_湿中文字幕wwwcom

 The PE mesh bag is blow molded with a new LDPE (low density polyethylene) raw material. It is printed into a grid shape through a printing machine, and is divided into the bottom sealing of the bag making bag. It is divided into: PE flat Pocket, PE along the wire

1, PE flat bag is the simplest production process, blow molded from the blown film, cut into a bag on the flat bag, bottom sealing.

2, PE is the coil of the cartoon and flat pockets, all of which are molded by the blown film blowing machine, open the edge of the R bagging machine to achieve the left and right seals.

Blown film workshop

Cutting bucket

Self-sealing bag