... corner, sealed in the back center, etc.4. Printing: Good quality, high speed printing machines.5. Price: According to different material , size ... customer's requirements.8. Up to 12 colors high speed printing machines9. Field to use: Food, Cosmetic, Cigar, Sweets, Snack, Candy, Dry ... from light, gas barrier;2.Security,easy to take and use;3.Strong sealing strength, non-breakage, non leakage;4.Heat ...