Utilizing Siemens PLC from Germany as the main control program, with touch screen operation, frequency converter adjustment for dual-speed filling without oil overflow, automatic back suction after filling without dripping oil, and also equipped with one-key correction for formulas and errors. In terms of specifications, the filling range is 100ml – 5L, with a filling capacity of 200 – 260 barrels/hour for 5L calculation, filling accuracy ±3g, power supply is 380±10% V, suitable for small packaging quantitative filling of edible oil.