5. Stretch film wrapping machine packaging This is one of the most common and extensive mechanical packaging methods. The tray rotates or the film rotates around the tray. The film is fixed on the bracket and can move up and down. This packing capacity is very large, about 15 to 18 trays per hour. A suitable film thickness is about 15 to 25 μm. 6. Horizontal mechanical packaging Unlike other packaging, the film revolves around the item, which is suitable for the packaging of long items, such as carpets, boards, fiberboards, special-shaped materials, etc. 7. Packaging of pipes and cables This is an example of the use of wrapping film in special fields. After the packaging equipment is installed in the production line, the fully automatic stretching film can not only replace the belt to bind the material, but also play a maintenance effect. The applicable thickness is 15 to 30 μm. 8. Packaging of paper tube This is one of the many uses of stretch film, which is very good compared to the old-fashioned paper tube packaging with wrapping film. A suitable film thickness is 30 to 120 μm.