... 3. Up to 10 colors printing 4. packages for food Plastic packaging bag In today’s fiercely competitive market, ... gusset, stand up pouch, zipper stand up back center sealed, back corner sealed, three-side seal in the ... back corner, quad-sealing, sealed in the back center, flat, spout stand up More specifications as follows, ... the artworkProduction Process: Main customers: laminated bag for food packaging