Pull rod of aluminium case is important as pulley. If there is some problem with the pull rod in travel, it will be too bad. Aluminium case has clear stratification. Such as dry and wet stratification, folding clothing bags, file storage and other areas. Customers can choose products by their own requirement.
Some flight case has been equipped with universal wheel. So that people could flat push and translation. Certainly some cases also have password lock. The password locks have a variety of styles. The locks can ensure goods safety in the case.