拉杆问题（Rod problem）.docVIP

拉杆问题（Rod problem） How to check the quality of the box Look at the case of classification, according to the material points can be divided into soft cloth box and hard box two (hard and can be divided into ABS and PP) according to the structure can be divided into vertical and horizontal bar type suitcase two kinds, according to the size to points can be divided into (from small size to big size) : 18 inch 20-inch 22 inches 24 inch 26 inches 28 inch 30 inches this several! Commonly used is a 20-inch three-sided and added 115CM with the size of the aircraft and the 28-inch three-sided and combined 158CM aircraft that can be checked for free! The disadvantages of the hard case are generally too heavy, so there are fewer and fewer people using them now! Here said the main soft box: if what kind of box filled with things more, it must be horizontal suitcase, but I still suggest MM people dont choose, because it is hard to pull away, and what a stair to specialty carry on, I believe that such a live still left to GG to do!! So I suggest MM to go out or use the pull rod box, and the young mans door to look at oneself to choose! Lets talk about the quality of the bags. First of all, the pull box: the pull rod of course should choose the built in, the material must be steel (the pull pole and the wheel must be unable to adjust to the rough handling of the various flights)! Boxes have the steel skeleton, the fabric had better be rain, good material granularity bigger, because is more wear-resisting, needless to say, the wheel must be also built-in, (speak casually said, now a lot of boxes with four wheels can be turned to, can check box must not use such wheels, because there are too many outside dew so easy to fall off) the material of the wheel is rubber, of course, when the ground voice as small as possible. Tour is also very important, but is not necessarily the bigger the better, or see the materials and try to pull handle! In fact, the box is also very simple, other th