The world's lightest aluminum box trolley case first name how to buy?

Trolley refers to the box with trolley and roller, because of its ease of use by the majority of travel enthusiasts, business travelers favor. So how to buy a good quality, cost-effective trolley it?
First look at the data: 
In the same volume under the premise of the weight value of the box as low as possible, while the load value is as high as possible.  26-inch capacity can easily accommodate two personal travel items, can bear the weight of 180 kg, but only weighs 4.7 kg FCL, is the world leader in the industry. 
Second look Appearance: 
When you buy a travel suitcase, you should first check the appearance of the box is Zhouzheng, box angle is symmetrical, the box can be erected or inverted on the ground, check whether the box is four feet, not skewed, and check the box is flat , With or without scratches, cracks, with particular attention to the box shell (above, below) to be symmetrical corners. 
Third look at the details: 
Naturally, every brand-name product like mainland China's famous star, America's Samsonite, or Taiwan's diplomats is assured of every consumer's quality and after-sales service support system. But if you want to buy a less familiar brand of luggage, as long as the following elements are not flawed, then the basic quality of this package is guaranteed. 
Whether the box is the choice of textiles or leather products, pins should be fine, strong adhesion, textiles may not have a wire, crack phenomenon. Open the box, check the box mouth to be able to match each other, the gap to be small, to be sewn, hinge flexible, no jam, buckle together, buckle, play open, the handle installed securely, can not be loose . Lever should be retractable, there is a certain degree of strength, pressure, pull the lever lock button should be able to follow the local telescopic rod, if the automatic retractable back naturally better. Wheels should be flexible, the best choice with a bearing Vientiane. 
A good trolley case is like a good helper for you on your journey. It will accompany you through some beautiful and unforgettable years. It is the bearing of memory on the journey, with all the props on the journey, as well as the testimony of our stories.