The liquid filling scale precisely divides large quantities of bulk liquid materials into various containers, iron drums or plastic drums by weight, and is used for automatic quantitative filling of 5L-30L drums. It is widely applied in industries related to liquid materials such as chemical engineering, food, and pesticides, and is suitable for water-based coatings, oil-based coatings, industrial paints, anti-corrosion paints, floor paints, interior and exterior wall paints, automotive paints, furniture paints, varnishes, inks, adhesives, polyurethanes, thinners, additives, lubricating oils, cleaning agents, and other hazardous chemical products.