Geomembrane is widely used in environmental protection (such as domestic waste landfills, sewage treatment,etc.) and water conservancy (such as rivers, lakes, reservoirs, dams, etc.) municipal engineering (underground engineering of subways, buildings and roof reservoirs, anti-seepage of roof gardens, lining of sewage pipes, etc.) ), gardens (artificial lakes, ponds, golf course pond bottom lining, etc.), petrochemicals (chemical plants, refineries, gas stations, lining of sedimentation tanks,etc.), mining (washing tanks, ash dumps, sedimentation tanks, storage yards, tailings ponds, etc.), agriculture (reservoirs, drinking water tanks, storage ponds) , aquaculture (fish ponds, shrimp pond lining, etc.), and many other fields In the seepage control project.