Fast and convenient to adjust, it can step-less adjust pouch length without changing the mould. And can adjust the functions as longitudinal sealing, transverse sealing, filling, embossing, Dotted line cutting and transverse cutting through man-machine interface. Accurate in measurement, According to different paste viscosity, specifically designed of reciprocating plunger pump with rotate valve controlling, matched with stroke adjustment air cylinder feeding, each line's dosage can be adjusted easily and accurately.