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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.  There are many people who use luggage, but there are a few is to understand the luggage do, and as consumers, to have a certain understanding of luggage is excellent, then the following we come to know the most important six luggage Site structure and its terminology.?The most important six parts of the luggage structure and professional terminology?First, the shoulder strap (Handle): shoulder strap is connected with the body of the "hook", which generally bear the gravity is relatively large, high probability of bad, so the need to strengthen the production of shoulder strap sewing.?Second, the pocket zipper: zipper generally by the zipper, pull the first pull and pull the card composition, and the zipper is generally used on both sides of the nylon material of the fabric, the middle of the main form of plastic and metal pull two.?Third, Baoshen: Baoshen the main components of the fabric structure, the general Baoshen fabric with ingredients and ingredients, the structure is generally the former site, after the width and side, as well as the design of the pocket, cover and so on.?Fourth, the fabric: the production of bags of fabric there are many, such as cloth, leather, plastic, etc., and fabric of the fabric and nylon, polyester, canvas, cotton, leather and natural leather synthetic leather, plastic PC, PVC, PP and so on.?5, hardware accessories: Hardware is also used in the luggage is very much material, and hardware generally have "wire" and "alloy" two, the difference between these two materials, the easiest way is to use magnets.?6, line (car line): car line is the body of the external suture material used in the package, the general line is the choice of thick nylon # 20 line, while the internal use of 40 # smaller nylon line, lining is optional Cotton thread.?Luggage the most important six parts of the structure and terminology to a brief introduction to this, if you want to learn more with luggage production or luggage related knowledge, you can directly into the love of free luggage official website for consultation or advice love free luggage customer service!  school backpack manufacturers