What are the differences between elliptical rod tube and D-type rod tube in luggage -? Pesin Outdoor Products C

A box in hand, say go and go! Luggage plays an increasingly important role in our daily life. Whether it is convenience or large capacity, it is very popular. There are many styles of pull rods for making bags. What are the differences between elliptical pull rod tubes and D-type pull rod tubes in bags? Elliptical tie rods in luggage are relatively common, mainly because elliptical tie rods are relatively material-saving compared with other special tie rods, and elliptical tie rods themselves have better straight lines, and it also has high finish, relatively good stretching and convenient use. Compared with elliptical tube, D-tube pull rod tube consumes more materials, but D-tube also has better smoothness and straightness, which is convenient for expansion and contraction. At the same time, D-tube also has relatively good stability, when the luggage pull rod is stressed, the pressure is relatively greater. The difference between the properties of the elliptical pull rod tube and the D-type pull rod tube in the luggage is not particularly large, mainly because half of the D-type tube itself is oval, but there are still some differences. Then if you make a custom bag, I don't know what style of pull rod to choose, you can call directly or consult the customer service of Pesin Outdoor Products Company online, we will answer you all the way!