Sell valve bag making machine

Process introduction of the producing line

(1) The process route of bag-making

Coiling of plastic-weaved cloth (PP, PE) à coiling up in bracket àprinting in obverse/front and reverse/back side with four up to six colors à microperforating, cutting (equipping computer to treat ) à bag tube turning à rectifying and checking à forward position orientation à spreading glue à stoving/drying à opening bottom à bag bottom adjusting à pasting mouth of valve à forming à sticking attached bottom à folding in reverse side to press à producing bag and stacking up. The bag-making procedure is accomplished continually in one time, and the shape of the bag is valve mouth and square bottom