Enterprises use winding film packaging mode, including automatic packaging and manual packaging. Automatic packaging requires that the film width is enough to cover the tray, and the shape of the tray is regular, so it has its own, suitable for film thickness of 17-35 micron. Manual packaging is the simplest type of wrapping film packaging. The film is mounted on a rack or handheld, rotated by a tray or rotated around a tray by a film. Mainly used for repacking wrapped trays after they are damaged, and common tray packing. The packing speed is slow, and the suitable film thickness is 15-20 micron.

Wrapping film packaging has undergone new changes. There are stretching film winding machine packaging, which is rotated by tray or film around tray. Film fixed on the bracket can move up and down, about 15-18 trays per hour. This kind of packing ability is very big, suitable film thickness is about 15 - 25 micron. Winding machine is also called winding packaging machine and film winding machine. It is widely used in foreign trade export, food and beverage, plastic and chemical industry, glass and ceramics, mechanical and Electrical Castings and other industries to increase production efficiency, prevent damage of goods in the handling process, and play the role of dust, moisture and cleaning. Simply speaking, it is a wrapping machine for all kinds of goods or other materials. Its processing range is all kinds of goods or parts with different sizes and specifications.