The Doypack packing machinery is a type of packaging machine which is used for packaging a wide range of products which match with different measuring device,such as with auger filler for powder,with weigher for granules,with liquid pump for liquid or sauce etc products,includes food,beverages,chemicals and so on; pre-made pouch can different bag styles,such as stand-up zipper pouch,quad seal bag,8-sealing gusseted bag,side sealing bag,irregular bag etc,and can be made of different packaging material,including aluminum,kraft,clear or recyclable plastic etc. This is the economic premade pouch packaging machinery which is suits for small production capacity packaging solution; and if it connect with auger filler that it can pack powder,with weigher to pack granule and with liquid pump to pack liquid & sauce. The machine can include zipper opening funtion,date printer,gas filling,bottom vibration,pat etc function