The figure is around 1/5 to 1/3 of the total. This mainly depends on the production technology. It is notable that Sofie Bag Co., Ltd. has been decreasing the proportion regarding the cost of material to the total figure. When the business was just founded, the proportion was much larger. This is because at that time, the technology in the whole industry was backward. Having developed for so many years, our technology is mature and we can control the cost of shopping bag well. We also import advanced production equipment to increase the output while reducing the input. This also makes results. We are sure that the cost would be further reduced in the near future, in the context that the industry is developing rapidly and our company is leading the industry development.

Sofie Bag is a mature Chinese manufacturer established years ago. We are dedicated to providing customers with unparalleled trolley school bags. Sofie Bag's shopping bag series include multiple types. Sofie business casual bag is manufactured under the visionary guidance of trained professionals. The product is easy to be folded and stored. This product is able to maintain a beautiful appearance. Its strong hydrophobicity property greatly reduces the swelling and cracking caused by water molecules, remaining its integrity. The product is easy to be folded and stored.

We work hard to minimize the environmental impact during our production. We seek new ways to optimize our production processes by reducing waste and energy consumption.