Packaging carton design, express box design, packaging structure design

Packaging carton design.
1 A piece of cardboard after folding, edge bonding, forming tubular box body.
2 When using need to hold out of the billet, sealing symmetrical double roll cover, molding for the cartons.
3 Because of folding box billet transportation, transportation cost is low.
4 Due to stare blankly along the height direction, so the compressive strength is higher.