Double-head liquid filling machine (extended conveyor type), this machine adopts a double-station synchronous filling design, dedicated to the automatic quantitative filling of liquid products such as water, oil, beverages, etc., equipped with an extended conveyor belt to meet the needs of large-scale continuous production. The PLC intelligent system realizes functions such as automatic bottle feeding and positioning filling. The stainless steel body meets food grade standards. It is suitable for food, daily chemicals, pharmaceuticals and other industries, and is an efficient and flexible filling solution for small and medium-sized production lines.