Sewing is the most important process in the production of backpacks, which directly affects the quality of the entire backpack's workmanship. Sewing can be divided into front seam, seam surround, seam lining, filler seam, seam side pocket, seam accessories, assembly accessories, installation pull head, seam back seam, high seam integration package, etc. Each process is very important. Designing a special backpack even requires the use of some special techniques, such as skinning, laminating, oiling, gluing, riveting, drawing, spraying, etc. In order to make a high-quality backpack, every process must be strictly controlled.
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