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Block bottom valve sacks
Production:It is made by pure wood pulp paper(the paper can be coated complexed with PP woven fabric), cut the right length while make the paper as tube(the tube can be muti-wall), then make one of the block bottom, after this, make the top with valve(normally the inner valve should be coplexed with plastic).
Open top & block bottom paper sacks
Production:It is made by pure wood pulp paper(the paper can be coated complexed with PP woven fabric), cut the right length while make the paper as tube(the tube can be muti-wall), then make the block bottom. A layer of plastic film can be added in the middle of the paper an inner film bag can be added in the bag to package products that need to be moisture-proof.
Open top & stiched bottom paper sacks
Production:It is made by pure wood pulp paper(the paper can be coated complexed with PP woven fabric), cut the right length while make the paper as tube(the tube can be muti-wall), then stich the bottom & finish by the glue.
PE heat shrinkable film
Advantages: PE heat shrink film has good flexibility, strong impact resistance tear resistance, it’s moisture-proof, with strong shrinkage rate easy to break.
