Insulated bag has passed the tests conducted by ourselves and third parties. A QC team has been founded, aimed at controlling the product quality when it just comes out. This is the called self-quality test. In order to reassure the users, third party quality tests are carried out. All could be found on the official website.

Sofie Bag Co., Ltd. has developed into a globally advanced laptop backpack manufacturer. Sofie Bag focuses on providing a variety of shopping bag for customers. We adopt statistical quality control technology to ensure stable product quality. The product provides adequate cushioning, effectively spreading the weight around. Being an essential part of modern society, the product with advanced technology can improve the overall efficiency of life and work. The product provides adequate cushioning, effectively spreading the weight around.

Following the development trend of international school bag industry, Sofie Bag is oriented by domestic and international market demands. Welcome to visit our factory!