Gravel is a profitable business for new entrepreneurs. The demand for high-quality stone chips is increasing day by day. Gravel, like sand, cement, bricks, and steel, is one of the most important building materials. You can grind the gravel into different sizes, such as 35mm, 20mm, 12mm, etc., for different purposes. Total gravel is crucial for the construction of roads, airports, roads, bridges, housing, and industrial buildings. In addition, it is also the foundation of cement and other basic products.