Sofie unisex school bags is designed in accordance with international standards, using high grade raw material. Excellent pliability is one of the prominent points of this product

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When manufacturing Sofie school backpack, we take the quality of raw materials into consideration. The optical wave transmits within its core area without light leakage

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The raw materials of Sofie school backpack are paid great attention during the incoming material inspections. It has good compressive performance, which protects the optical fiber

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To produce first-class Sofie school backpack, our workers adopt superior raw materials. The number of fiber interface can be customized

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The product is used to seal acid liquid or solids. During the production, it has been treated with acid pickling to optimize its acid resistance. Its bend resistance enhances network transmission performance