Also known as flexible container bags, tons of bags, space bags, English translation variety, FIBC, is a container unit, with a crane or forklift, can realize containerization transportation, which is suitable for the shipment of bulk powder materials. Container bag is a flexible transport packaging container, widely used in food, medicine, chemical industry, grain, mineral products, powder, granule bulk goods transport packaging, developed countries generally use the bag as packaging products, transport, storage.