This machine is specifically designed for fully automatic quantitative packaging of pure liquid products such as water, beverages, edible oil, soy sauce, vinegar, glue, and other liquid materials. It is widely used in the food, daily chemical, and pharmaceutical industries. The back-seal sealing mechanism provides a secure seal for liquid products, preventing leakage. The round corner special-shaped cutting system is ideal for products requiring a premium appearance or distinctive packaging design. The machine's ability to adjust filling weight and speed without stopping makes it highly efficient for continuous production lines. It is a reliable solution for small to medium-scale liquid packaging operations where precision, efficiency, and attractive packaging are required.