Traction on the three-tier co-extruded blown film crew rotation is our company based on market needs and research and development of new products designed to absorb foreign advanced technology products. Applicable to a variety of high-grade packaging films. This membrane barrier because of its good preservation, moisture, frost prevention, separated from oxygen, oil, widely used light and heavy packaging. If all kinds of fresh fruit, meat, pickles, fresh milk, liquid beverages, medical supplies and so on.