1, different sources: Wenfeng material is produced in Wenfeng, Sichuan, and Qin ancient material is produced in Qinling, Shaanxi.
2. Different paper quality: Wenfeng material has fine paper quality, high whiteness and soft texture, which is suitable for painting; Qin ancient material paper is thick, with low whiteness and tough texture, suitable for calligraphy.
3. Different quality: Wenfeng materials are of high quality and relatively expensive because of their delicate paper quality and complicated manufacturing process; Qin ancient materials are relatively cheap because of their thick texture and simple production.