Plastic compound bag flat bottom bags and ordinary plastic flat bottom bags
flat bottom bags plastic compound bag generally consists of BOPP and co-extrusion film, BOPP and PET composite and so on.
flat bottom bags compound bag there are generally two composite and three composite, general color printing composite bags, printed in the middle of the two kinds of membrane, general compound bag welding edge will appear two layers or three layers that is compound bag.
Ordinary coffee bag is a layer of surface printing, with a knife to scrape the above printing, and compound bag blown out.Compound bag price is expensive, ordinary plastic bags cheaper prices.
Plastic compound bag flat bottom bags and ordinary plastic flat bottom bags