Why are Guoyu's books so expensive?

High production cost; Quality assurance, etc.

High production cost: Guoyu's notebooks are made of high-quality materials, such as high-quality paper and high-strength shell, and the cost of these materials is relatively high. At the same time, Guoyu pays attention to environmental protection and sustainable development, and adopts environmentally friendly materials and processes, which also increases the manufacturing cost.

Quality assurance: Guoyu has strict requirements and controls on product quality, paying attention to details and user experience. In order to ensure the quality of each product, Guoyu has carried out many processes and tests in the production process, which also increases the cost of the product.