A fair third party conducts several inspections on technical specifications, quality, and performance of our business bag, and also examine our factory's quality assurance system. Since our inception, we have continued to produce qualified products and passed relevant examinations. Now, Sofie Bag Co., Ltd. has been awarded relevant certificates and can put certificate marks on our products and their packing. Our product quality certifications are given only by certification bodies authorized by accreditation administration under the State Council, and some of them are granted by international authorities.

The past years has witnessed steadily gowning development of Sofie Bag for its china bag. Sofie Bag provides a wide range of laptop backpack for customers. The production of Sofie shoulder sling bag is standardized and highly efficient. The product has been widely accepted by many well-known brands such as New Balance, FILA, Dickies, Nike, etc. The best thing about this product is its portability. People can take it to to the coffee shop and to the shopping mall. Constructed out of dirt-proof materials, the product is easy to clean.

To implement small insulated lunch bag is the base of Sofie Bag's work.