The fully automatic single-head gear pump filling machine adopts a high-precision gear pump metering system, which is suitable for medium and high viscosity liquids such as oils and sauces. The equipment is equipped with a servo drive system, and one-touch parameter setting is achieved through the touch screen. The stainless steel body meets GMP standards, and the key parts are made of 316L material, with CIP online cleaning function. The specially designed anti-drip nozzle is combined with a vacuum back-suction device to ensure zero pollution during the filling process. The filling volume can be adjusted steplessly through the PLC program, which is suitable for the flexible production needs of various bottles.