Production of a variety of water bags, oil bags, portable oil bags, liquid bags, bridge pre-pressure water bags, biogas slurry tank, container liquid bags and other products. The products are characterized by novel design, environmental protection, corrosion resistance, frost resistance, water resistance, hot water resistance, lightweight and practical. They are widely used in the packaging and transportation fields of thousands of liquids such as drinking water transportation, drought resistance, fire fighting, container transportation, bridge preloading, etc. The products are related to agriculture, chemical industry, fire fighting, transportation and other fields. At the same time, the company can according to the new and old customer demand for additional processing dimensions, customized products of various specifications.