A semi-auto filling machine by means of dual-jar piston type timing and rationing filling. Material goes out from the two filling nozzles alternatively so as to raise the working efficiency. The filling volume can be steplessly regulated within a certain range with a micro-adjuster. Suitable for the ration filling of various viscous liquids and solutions, with a reliable performance and a long duration.

Especially suitable for water、honey、shampoo、liquid soap、shower gel etc.