The species levels of 1 and Jing 80 17 are higher than 13. Beijing 80 17 is a pile of walnuts with good appearance, which is less than 1.8 cm, but Beijing 80 13 is an ordinary walnut with a size of 25 to 35 mm, so Beijing 80 17.

2. The production technology of Beijing 80 17 is better than that of Beijing 80 13. Because the walnut of Beijing 80 17 is larger, the production technology is naturally more complicated than that of Beijing 80 13, so Beijing 80 17 is more expensive.