Are container liquid bags expensive to produce? What machines are needed?
The outer layer is made of 1 layers of PP, made by peripheral suture. Auxiliary baffle, fixed floor, square steel. The cost is mainly PE PP filmThe main machines are heat sealing machine, valve press machine, sewing machine.
The general liquid bag is made of 4 layers of PE film through heat sealing, but the sealing equipment and technology have to pass the customs and meet the requirement of bearing.
