This 4 heads piston filling machine is good for filling shampoo,engine oil,body wash,laundry detergent etc.Different kinds of filling range can be chosen according to production need.Each filling nozzle is controlled by a piston pump separately,but it is no need to adjust filling range separately when you adjust the filling range,there is one rotary knob for controlling filling range of each pump.This machine is widely used in food,beverage,drinks,daily chemical industries.