Production Process of packaging bags

Last time, we talked about how Packaging Bags begin their story — crude oil is refined into naphtha in factories, then broken down into tiny chemical “building blocks,” like PET and PE. Those molecules are then rearranged through polymerization, turning into clean little resin pellets.

So how do these tiny pellets become strong, colorful, fully functional bags that protect and showcase your products?
That’s where ZLPACK comes in!

Follow me to see how our factory makes packaging bags.

First step-printing

Now we have 7 printing machines in our factory,we use spot color printing ,one color, one plate. And can print up to 10 colors,If you make a second purchase, we will also refund 10%-30% of the plate fee.

Second step-lamination

We have 11 machines, including 3 dry laminating machines and 8 solventless laminating machines.we use the BOBST DA800 dry laminator and BEIDEMEIKE solvent-free laminator.

Third step-drying

In the aging room,the drying time is 24-48 hours.

Fourth step-cutting

We have 6 cutting machines,and the cutting speed is 600 meters per minute.

Fifth step-bag making

Now we have 44 bag making machines. The daily output is around 9 000 000(nine millions) pieces.

Sixth step-quality control

We have the special laboratory with 8-10 engineers’ team, which can test the intensity, oxygen permeability, water permeability, tensile force, force of friction and so on.

The seventht step-carton packing

We use the export grade fumigation-free pallets to fix cartons to ensure the security during transportation.

The last step-Loading

There is LCL(less container load), FCL(full container load), By Air or as you request.