Ton bag (also known as container bag/space bag/flexible container/ton bag/ton bag/space bag/mother bag): It is a flexible transportation packaging container. It has the advantages of moisture-proof, dustproof, radiation resistant, sturdy and safe, and has sufficient strength in structure. Due to the convenience of loading, unloading, and transportation of container bags, the loading and unloading efficiency has significantly improved, and has developed rapidly in recent years.