1, brain-patterned peach pit: It is produced in Hebei, with an oval appearance, two particularly deep gullies on the surface, and the lines are more individual.

2. Peach pit with dragon pattern: It is produced at the junction of Shaanxi and Gansu, and its grain looks a bit like scales on a dragon's body, which is more common in Wan Wen circle and Wan Wen live broadcast room.

3, flat peach core: flat and round in shape, round in grain, similar to the flat peach walnut that is usually eaten.