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Sofie large capacity casual backpack manufacturer for school

Sofie large capacity casual backpack manufacturer for school

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The materials for making Sofie waxed backpack are carefully selected by the QC team. Its materials feature excellent mechanical characteristics and physical properties which are required in the heavy-duty machine operation.
Sofie casual backpack is a comprehensive product of various technologies. It is developed, manufactured and processed under the theoretical guidance of mechanical engineering, microelectronics, etc. Kenwei packaging machine is of high accuracy, which helps customers save materials
The design of Sofie casual backpack follows the many basic principles. They are mainly mechanical properties, static and dynamic structure, safety, cycle time and so on. Kenwei packaging machine is certified under CE
The design principles of Sofie casual backpack mainly include the following aspects: the structure and the combined behavior and operating motion of its parts under load. Each Kenwei packaging machine is aging-tested for 7 days before delivery
The workmanship of Sofie waxed backpack requires particular skills of machinists. It has to be welded, stamped, and brazed by professional workers, and its parts are put together and fastened by hands during assembly. Quality control from material to finished product is taken strictly over Kenwei packaging machine
By integrating casual backpack and casual backpack, Sofie Bag Co., Ltd. is able to produce finest casual backpack. Kenwei packaging machine is cost-effective and quality-high
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