The liquid filling scale precisely packages large quantities of bulk liquid materials into various containers, iron drums or plastic drums by weight, and is used for automatic quantitative filling of 300L X 4 to 1000L drums. It is widely applied in industries related to liquid materials such as chemical engineering, food, and pesticides, and is suitable for products like resins, polyurethanes, thinners, curing agents, solvents, additives, cleaning agents, and other hazardous chemical products.