backpack manufacturers China SY BACKPACK & BAGS MANUFACTURER, CUSTOM school & laptop & sport & camera backpack, sports_gym bags,
laptop backpack manufacturers travel bags & handbags, cosmetic_toiletry_makeup bags, duffel bags. Material: leather,nylon,polyester,cotton,microfiber,satin,PVC.
8, mention: mention is the box, the package dedicated to the mobile parts.?9, take the round: take the wheel is the box, the package from the rolling role of the various wheels.?10, box mouth: refers to the bottom of the box, opening the mouth of the assembly of aluminum port, iron mouth, wooden mouth.?Luggage zero, parts of the technical terms in addition to box, box, box to help, there are pull with, shell, outer pocket and so on zero, component terminology, etc., if you want in-depth understanding of the various parts of the bag, Direct access to the official website of love free access to relevant information, or direct contact online customer service advice.
Our daily use of the luggage, the design is different, can achieve the functional effect is different, and to achieve the design needs to achieve the effect of luggage, bags of material requirements and choices are different. Then the material selection, the choice of pure PC or aluminum box is good??Bags made of material selection, the density of pure PC material relative to the ABS material is relatively high, the thickness does not need to be as thick as the ABS material bags can be achieved, and pure PC material relative to the ABS and other plastic materials, the quality Relatively light. Pure PC material in addition to the characteristics of light, but also has the characteristics of high temperature and low cold, compression and seismic, and also has the characteristics of texture and rigidity.?
school backpack manufacturers