The product is unmatched in performance, service life and usability. The product is not quite susceptible to mold and mildew
school bag
SPECIFICATIONS
With a variety of small pockets inside, it is more practical. The product offers long-lasting durability for users' daily travel. The product features high abrasion resistance, which can be used for a long time.
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The design considerations of Sofie school bag cover the following aspects: static and dynamic stiffness, operational speeds, gearboxes, manual, and automatic control. Sterilization procedure is adopted to reduce the possibility of infection
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Sofie reflective school bag has been tested in all aspects. It has been detected in terms of insulation resistance, current leakage, and current load. It is promptly delivered thanks to freight services provided by the excellent logistic enterprises
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The quality of Sofie reflective school bag is guaranteed at the very beginning. Exhaustive quality control testing is done for all its materials to ensure that any inferior component would be replaced long before production begins. Its design is in conformance with ergonomic principles
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Sofie school bag meets the international standard for electrical appliances. No matter is the quality of electric parts or the housing and insulation material, they all made strictly according to regulations. The cleaning of the product is hassle free
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Sofie school bag is produced based on various theories. It adopts the heat management theory to check and make sure the optimized working temperature for the battery cells. The product seizes the market share in over 20 countries, mainly in the USA, UK, Korea, and Russia
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The product features reliable operation. It has an advanced electrical system that is equipped with overvoltage, overcurrent, and overheating protection. The product seizes the market share in over 20 countries, mainly in the USA, UK, Korea, and Russia