The full name of the container bag is flexible container bag, also known as large bag and ton packaging bag. It is a soft and flexible packaging container made of foldable rubberized cloth, resin-processed cloth, and other soft materials. shipping bag. Generally, polypropylene or polyethylene is used as the main raw material, which is extruded into film, cut, and drawn, and then weaved, cut, and sewn. The use of this kind of packaging is not only conducive to improving loading and unloading efficiency but is especially suitable for the packaging of bulk powder and granular goods. It is conducive to promoting the standardization and serialization of bulk goods packaging, reducing transportation costs, and is also convenient for packaging, storage, and low cost. advantage. Especially suitable for mechanized operations, it is an ideal choice for warehousing, packaging, and transportation. It can be widely used in the packaging of bulk materials such as cement, fertilizers, salt, sugar, chemical raw materials, ores, etc. for road, rail, and sea transportation. Therefore, in recent years, countries around the world have widely used container bags to transport powdery and granular goods. The emergence and application of container bags is a qualitative innovation in the way of shipping powdery and granular goods.