Horseshoe stone is a stone material made from granite and used for laying road surfaces. It has a solid structure, high compressive strength, rich variety, and diverse colors.

Bullet stone, also known as horseshoe stone, has indentations resembling horseshoe marks, hence it is called "horseshoe stone". Some places also commonly refer to it as small material stone. Nowadays, bullet stones are widely used for pedestrians

Places with frequent human activities such as roads, roadsides, pedestrian streets, and squares.