ultrasonic seal 20kg valve bag powder packing machine#Valve Bag Packing Machine#Dry mortar packaging

Dry mortar packaging bags are mainly open bags and valve bags. Packaging machines can be divided into open bag packaging machines and valve bag packaging machines. Open bag packaging machines need to be equipped with a bag sewing machine, which increases labor costs, equipment investment costs, and equipment maintenance costs. Valve bags are currently popular international packaging bags. They are filled with materials through valve ports.