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The material details of plastic packaging bags

Union Packing is a factory specialized in various of plastic packaging bags. Stand up zipper pouch, flat bottom pouch, kraft paper pouch, shaped pouch, retort pouch, non-woven bag, side gusset bag, three side seal bag, vacuum bag, film rolls and etc. All those bags can be in different materials b... Read More

Begining and developing for stand up pouch

Stand up pouch is one kind of best-selling products in Union Packing and is widely used in all professions and trades. The original name of stand up pouch is doypack, doypack is one soft packaging bag with bottom. The generation of the name doypack is from one company named Thimonier in France, C... Read More

Know more for gravure printing packaging plates

In Union Packing, all kinds of packaging bags produced by gravure printing machine need print plates, we call it cylinder also. Print plates are consist of metallic material, plating by chrome and copper outside, one by one steel pit corresponds with original design artw... Read More

How to choose vacuum packaging bags?

People often ask what is the material of the moon cake vacuum bag, dough vacuum bag, nut vacuum bag, duck neck vacuum bag and other food grade vacuum bag? In fact, the choice of vacuum bag material depends on the characteristics of the product. The vacuum bag can be divided into non-barrier vacuu... Read More