The machine is specially developed and manufactured by our scientifc reaearch personnel for packing four sides sealing of the swab sticker. The machine from bag forming, feeding, automatic feeding liquid, four sides sealing,easy opening, printing lot number,cutting to the finish products convey is finished at one time. The machine adopt PLC Programmable Controller to program operation of the whole machine, the machine having the advantage as vantage performance,easy operation and maintance.